3125555205212 has 48 divisors (see below), whose sum is σ = 5997778617600. Its totient is φ = 1413385954560.

The previous prime is 3125555205193. The next prime is 3125555205257. The reversal of 3125555205212 is 2125025555213.

It is a congruent number.

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, 8368964 + ... + 8734452.

It is an arithmetic number, because the mean of its divisors is an integer number (124953721200).

Almost surely, 2^{3125555205212} is an apocalyptic number.

It is an amenable number.

3125555205212 is a deficient number, since it is larger than the sum of its proper divisors (2872223412388).

3125555205212 is a wasteful number, since it uses less digits than its factorization.

3125555205212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366506 (or 366504 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 3125555205212 in words is "three trillion, one hundred twenty-five billion, five hundred fifty-five million, two hundred five thousand, two hundred twelve".