122021122211212 has 12 divisors (see below), whose sum is σ = 244042244422480. Its totient is φ = 52294766661936.

The previous prime is 122021122211203. The next prime is 122021122211279. The reversal of 122021122211212 is 212112221120221.

122021122211212 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178948610887 + ... + 2178948610942.

Almost surely, 2^{122021122211212} is an apocalyptic number.

It is an amenable number.

122021122211212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122021122211212 is a wasteful number, since it uses less digits than its factorization.

122021122211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357897221840 (or 4357897221838 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122021122211212 its reverse (212112221120221), we get a palindrome (334133343331433).

The spelling of 122021122211212 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twelve".