612131202131216 has 40 divisors (see below), whose sum is σ = 1205491523169984. Its totient is φ = 301036987013760.

The previous prime is 612131202131179. The next prime is 612131202131233.

612131202131216 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14797925 + ... + 37990011.

Almost surely, 2^{612131202131216} is an apocalyptic number.

It is an amenable number.

612131202131216 is a deficient number, since it is larger than the sum of its proper divisors (593360321038768).

612131202131216 is a wasteful number, since it uses less digits than its factorization.

612131202131216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23219199 (or 23219193 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

It can be divided in two parts, 61213120 and 2131216, that added together give a palindrome (63344336).

The spelling of 612131202131216 in words is "six hundred twelve trillion, one hundred thirty-one billion, two hundred two million, one hundred thirty-one thousand, two hundred sixteen".