51204064312 has 8 divisors (see below), whose sum is σ = 96007620600. Its totient is φ = 25602032152.

The previous prime is 51204064283. The next prime is 51204064357. The reversal of 51204064312 is 21346040215.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200254012 + ... + 3200254027.

It is an arithmetic number, because the mean of its divisors is an integer number (12000952575).

Almost surely, 2^51204064312 is an apocalyptic number.

It is an amenable number.

51204064312 is a deficient number, since it is larger than the sum of its proper divisors (44803556288).

51204064312 is a wasteful number, since it uses less digits than its factorization.

51204064312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400508045 (or 6400508041 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 51204064312 in words is "fifty-one billion, two hundred four million, sixty-four thousand, three hundred twelve".