122222013651 has 12 divisors (see below), whose sum is σ = 176719995712. Its totient is φ = 81399609936.

The previous prime is 122222013629. The next prime is 122222013677. The reversal of 122222013651 is 156310222221.

122222013651 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 2 + 2 + 0 + 1 + 3 + 651 = 666.

It is not a de Polignac number, because 122222013651 - 2¹⁸ = 122221751507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222013601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6801571 + ... + 6819516.

Almost surely, 2^122222013651 is an apocalyptic number.

122222013651 is a deficient number, since it is larger than the sum of its proper divisors (54497982061).

122222013651 is a wasteful number, since it uses less digits than its factorization.

122222013651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13622090 (or 13622087 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 122222013651 its reverse (156310222221), we get a palindrome (278532235872).

The spelling of 122222013651 in words is "one hundred twenty-two billion, two hundred twenty-two million, thirteen thousand, six hundred fifty-one".