1312809864204 has 48 divisors (see below), whose sum is σ = 3201087036672. Its totient is φ = 417964147392.

The previous prime is 1312809864193. The next prime is 1312809864239. The reversal of 1312809864204 is 4024689082131.

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, 3293599 + ... + 3670614.

It is an arithmetic number, because the mean of its divisors is an integer number (66689313264).

Almost surely, 2^{1312809864204} is an apocalyptic number.

It is an amenable number.

1312809864204 is an abundant number, since it is smaller than the sum of its proper divisors (1888277172468).

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

1312809864204 is a wasteful number, since it uses less digits than its factorization.

1312809864204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964926 (or 6964924 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 1312809864204 in words is "one trillion, three hundred twelve billion, eight hundred nine million, eight hundred sixty-four thousand, two hundred four".