51636224323012 has 36 divisors (see below), whose sum is σ = 105142756032720. Its totient is φ = 22124303788944.

The previous prime is 51636224322967. The next prime is 51636224323087. The reversal of 51636224323012 is 21032342263615.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31987858 + ... + 33563305.

It is an arithmetic number, because the mean of its divisors is an integer number (2920632112020).

Almost surely, 2^{51636224323012} is an apocalyptic number.

It is an amenable number.

51636224323012 is an abundant number, since it is smaller than the sum of its proper divisors (53506531709708).

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

51636224323012 is a wasteful number, since it uses less digits than its factorization.

51636224323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65555200 (or 65555191 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 51636224323012 its reverse (21032342263615), we get a palindrome (72668566586627).

The spelling of 51636224323012 in words is "fifty-one trillion, six hundred thirty-six billion, two hundred twenty-four million, three hundred twenty-three thousand, twelve".