212222201122012 has 24 divisors (see below), whose sum is σ = 376097556416960. Its totient is φ = 104765810572800.

The previous prime is 212222201121941. The next prime is 212222201122033. The reversal of 212222201122012 is 210221102222212.

It is a super-2 number, since 2×212222201122012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994388 + ... + 22479844.

Almost surely, 2^{212222201122012} is an apocalyptic number.

It is an amenable number.

212222201122012 is a deficient number, since it is larger than the sum of its proper divisors (163875355294948).

212222201122012 is a wasteful number, since it uses less digits than its factorization.

212222201122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535341 (or 13535339 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212222201122012 its reverse (210221102222212), we get a palindrome (422443303344224).

The spelling of 212222201122012 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, twelve".