12122211011022 has 80 divisors (see below), whose sum is σ = 31090663514592. Its totient is φ = 3458184684480.

The previous prime is 12122211010919. The next prime is 12122211011039. The reversal of 12122211011022 is 22011011222121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12122211010986 and 12122211011004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7444629 + ... + 8925632.

Almost surely, 2^{12122211011022} is an apocalyptic number.

12122211011022 is an abundant number, since it is smaller than the sum of its proper divisors (18968452503570).

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

12122211011022 is a wasteful number, since it uses less digits than its factorization.

12122211011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16370935 (or 16370926 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122211011022 its reverse (22011011222121), we get a palindrome (34133222233143).

The spelling of 12122211011022 in words is "twelve trillion, one hundred twenty-two billion, two hundred eleven million, eleven thousand, twenty-two".