12761617076 has 12 divisors (see below), whose sum is σ = 24050739972. Its totient is φ = 5889977088.

The previous prime is 12761617061. The next prime is 12761617087. The reversal of 12761617076 is 67071616721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7660800676 + 5100816400 = 87526^2 + 71420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122707805 + ... + 122707908.

It is an arithmetic number, because the mean of its divisors is an integer number (2004228331).

Almost surely, 2^12761617076 is an apocalyptic number.

It is an amenable number.

12761617076 is a deficient number, since it is larger than the sum of its proper divisors (11289122896).

12761617076 is a wasteful number, since it uses less digits than its factorization.

12761617076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245415730 (or 245415728 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 12761617076 in words is "twelve billion, seven hundred sixty-one million, six hundred seventeen thousand, seventy-six".