Vocabulary consisting only from characters you are able to read
一京
ichikyou
deset trilionůmix
百万
hyakuman
(1)1,000,000, one million, million, (2)many mix
一兆
icchou
1,000,000,000,000, one trillion, one billion (obs. British)mix
億
oku
(num) 100,000,000, hundred millionjlpt4
十億
juuoku
1,000,000,000, billion (American), (obs) milliard (British)mix