12811860720627 has 16 divisors (see below), whose sum is σ = 17278579948320. Its totient is φ = 8443237220352.

The previous prime is 12811860720613. The next prime is 12811860720643. The reversal of 12811860720627 is 72602706811821.

It is a happy number.

It is not a de Polignac number, because 12811860720627 - 2⁴ = 12811860720611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12811860720627.

It is not an unprimeable number, because it can be changed into a prime (12811860720427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4668238 + ... + 6885939.

It is an arithmetic number, because the mean of its divisors is an integer number (1079911246770).

Almost surely, 2^{12811860720627} is an apocalyptic number.

12811860720627 is a deficient number, since it is larger than the sum of its proper divisors (4466719227693).

12811860720627 is a wasteful number, since it uses less digits than its factorization.

12811860720627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11558422.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 12811860720627 in words is "twelve trillion, eight hundred eleven billion, eight hundred sixty million, seven hundred twenty thousand, six hundred twenty-seven".