204005265012 has 48 divisors (see below), whose sum is σ = 529668148800. Its totient is φ = 67903319520.

The previous prime is 204005265001. The next prime is 204005265017. The reversal of 204005265012 is 210562500402.

204005265012 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 0 + 5 + 2 + 650 + 1 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204005265017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292187 + ... + 1441442.

It is an arithmetic number, because the mean of its divisors is an integer number (11034753100).

Almost surely, 2^204005265012 is an apocalyptic number.

It is an amenable number.

204005265012 is an abundant number, since it is smaller than the sum of its proper divisors (325662883788).

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

204005265012 is a wasteful number, since it uses less digits than its factorization.

204005265012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734333 (or 2734325 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 204005265012 its reverse (210562500402), we get a palindrome (414567765414).

The spelling of 204005265012 in words is "two hundred four billion, five million, two hundred sixty-five thousand, twelve".