204023104012 has 48 divisors (see below), whose sum is σ = 453609705472. Its totient is φ = 78108805440.

The previous prime is 204023103959. The next prime is 204023104027. The reversal of 204023104012 is 210401320402.

It is a super-2 number, since 2×204023104012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9029088 + ... + 9051655.

Almost surely, 2^204023104012 is an apocalyptic number.

It is an amenable number.

204023104012 is an abundant number, since it is smaller than the sum of its proper divisors (249586601460).

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

204023104012 is a wasteful number, since it uses less digits than its factorization.

204023104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18080798 (or 18080796 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 204023104012 its reverse (210401320402), we get a palindrome (414424424414).

The spelling of 204023104012 in words is "two hundred four billion, twenty-three million, one hundred four thousand, twelve".