204362122122 has 20 divisors (see below), whose sum is σ = 457922533266. Its totient is φ = 68120707320.

The previous prime is 204362122067. The next prime is 204362122201. The reversal of 204362122122 is 221221263402.

204362122122 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 621 + 22 + 12 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 188799809121 + 15562313001 = 434511^2 + 124749^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 630747129 + ... + 630747452.

Almost surely, 2^204362122122 is an apocalyptic number.

204362122122 is an abundant number, since it is smaller than the sum of its proper divisors (253560411144).

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

204362122122 is a wasteful number, since it uses less digits than its factorization.

204362122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261494595 (or 1261494586 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 204362122122 its reverse (221221263402), we get a palindrome (425583385524).

The spelling of 204362122122 in words is "two hundred four billion, three hundred sixty-two million, one hundred twenty-two thousand, one hundred twenty-two".