How many betty bombers did japan build in World War 2?

Japan did not produce the B-17 Flying Fortress, commonly known as the "Betty Bomber," as this aircraft was developed and used by the United States during World War II. The term "Betty" typically refers to the Japanese Mitsubishi G4M bomber, which was named "Betty" by Allied forces. Approximately 2,000 units of the Mitsubishi G4M were built during the war.