Vocabulary consisting only from characters you are able to read
百京
hyakukyou
kvadrilionmix
億
oku
(num) 100,000,000, hundred millionjlpt4
一京
ichikyou
deset trilionůmix
一兆
icchou
1,000,000,000,000, one trillion, one billion (obs. British)mix
百万
hyakuman
(1)1,000,000, one million, million, (2)many mix