The mathematician solved world-class problems at age 12 and was recognized as a supergenius.

supergenius 是由前缀 super-（表示"超级、超越"）和名词 genius（天才）组成的复合词。super- 强调程度极高，genius 指具有非凡智力或创造力的人。supergenius 合起来表示"超级天才"，指智力远超普通天才的非凡人物。