12000 (number)

12,000 was a number.

The Eleventh Doctor estimated that a Dalek Fleet would be composed of a minimum of twelve thousand battleships. (TV: The Pandorica Opens)

River Song was sentenced to twelve thousand consecutive life sentences for the murder of the Doctor. (HOMEVID: First Night)

During his ordeal in the confession dial, a copy of the Twelfth Doctor believed that he had travelled twelve thousand years into the future. (TV: Heaven Sent)