12222
The term "12222" can refer to several distinct concepts depending on context, though it is most commonly associated with a specific event in Japanese history. In 1945, during World War II, the Japanese military code name for the planned defense of the Japanese home islands in the event of an Allied invasion was "Operation Ketsugō." This operation was later referred to by the Allies as "Operation Downfall," but within Japan, it became colloquially known as "12222" due to the date it was originally scheduled to begin—February 1, 1946 (2-1-46 in Japanese numerals, which resemble "12222" when written in a stylized or abbreviated form).
The name "12222" gained broader recognition through the 2006 Japanese film *12222: You and Me*, directed by
Beyond its historical and cinematic significance, "12222" has also been referenced in other media, including literature