22012211012012 has 24 divisors (see below), whose sum is σ = 41495958134736. Its totient is φ = 10156688549568.

The previous prime is 22012211011981. The next prime is 22012211012027. The reversal of 22012211012012 is 21021011221022.

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, 58006058 + ... + 58384305.

It is an arithmetic number, because the mean of its divisors is an integer number (1728998255614).

Almost surely, 2^{22012211012012} is an apocalyptic number.

It is an amenable number.

22012211012012 is a deficient number, since it is larger than the sum of its proper divisors (19483747122724).

22012211012012 is a wasteful number, since it uses less digits than its factorization.

22012211012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116394017 (or 116394015 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22012211012012 its reverse (21021011221022), we get a palindrome (43033222233034).

The spelling of 22012211012012 in words is "twenty-two trillion, twelve billion, two hundred eleven million, twelve thousand, twelve".