12676688667631 has 2 divisors, whose sum is σ = 12676688667632. Its totient is φ = 12676688667630.

The previous prime is 12676688667607. The next prime is 12676688667701. The reversal of 12676688667631 is 13676688667621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12676688667631 - 2¹⁷ = 12676688536559 is a prime.

It is a super-2 number, since 2×12676688667631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12676688167631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6338344333815 + 6338344333816.

It is an arithmetic number, because the mean of its divisors is an integer number (6338344333816).

Almost surely, 2^{12676688667631} is an apocalyptic number.

12676688667631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12676688667631 is an equidigital number, since it uses as much as digits as its factorization.

12676688667631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 877879296, while the sum is 73.

The spelling of 12676688667631 in words is "twelve trillion, six hundred seventy-six billion, six hundred eighty-eight million, six hundred sixty-seven thousand, six hundred thirty-one".