provided is a surface - coated barium titanate particulate for us in multilayer ceramic capacitors and for which the grain growth during high - temperature firing has been suppressed . also provided is a production method for same . barium titanate particulate obtained by means of a hydrothermal reaction , wherein the coated barium titanate particulate has an average particle diameter of at least 10 nm but less than 1000 nm , a ba / ti ratio of 0 . 80 - 1 . 20 inclusive , a c / a ratio of 1 . 001 - 1 . 010 inclusive , and a coating layer comprising at least one kind of metal compound selected from the group consisting of mg , ca , ba , mn and rare earth elements is included on the surface thereof . the coated barium titanate particulate according to the present invention is produced by means of a method including : a step for obtaining barium titanate particulate by mixing an aqueous solution containing barium hydroxide and an aqueous solution containing titanium hydroxide at a ba / ti ratio of 0 . 80 - 1 . 20 inclusive , and subjecting same to a hydrothermal reaction at a temperature of 200 - 450 ° c . inclusive , a pressure of 2 . 0 - 50 mpa inclusive , and for a reaction time of 0 . 1 minutes - 1 hour inclusive ; a step for uniformly dispersing the barium titanate particulate in an aqueous solution ; and a step for coating the metal compound on the surface of the barium titanate particulate .