51210360312 has 64 divisors (see below), whose sum is σ = 137580145920. Its totient is φ = 15826195968.

The previous prime is 51210360307. The next prime is 51210360419. The reversal of 51210360312 is 21306301215.

51210360312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 909348 + ... + 964019.

It is an arithmetic number, because the mean of its divisors is an integer number (2149689780).

Almost surely, 2^51210360312 is an apocalyptic number.

It is an amenable number.

51210360312 is an abundant number, since it is smaller than the sum of its proper divisors (86369785608).

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

51210360312 is a wasteful number, since it uses less digits than its factorization.

51210360312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873460 (or 1873456 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 51210360312 its reverse (21306301215), we get a palindrome (72516661527).

The spelling of 51210360312 in words is "fifty-one billion, two hundred ten million, three hundred sixty thousand, three hundred twelve".