/usr/share/terminfo/P/P12-M-W is in ncurses-term 6.0+20160213-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/terminfo/P/../p/prism12-m-w
/usr/share/terminfo/P/../p/prism12-m-w