12667960031 has 4 divisors (see below), whose sum is σ = 12675066672. Its totient is φ = 12660853392.

The previous prime is 12667959979. The next prime is 12667960037. The reversal of 12667960031 is 13006976621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12667960031 is a prime.

It is a super-2 number, since 2×12667960031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12667960037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550646 + ... + 3554211.

It is an arithmetic number, because the mean of its divisors is an integer number (3168766668).

Almost surely, 2^12667960031 is an apocalyptic number.

12667960031 is a deficient number, since it is larger than the sum of its proper divisors (7106641).

12667960031 is an equidigital number, since it uses as much as digits as its factorization.

12667960031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106640.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 12667960031 in words is "twelve billion, six hundred sixty-seven million, nine hundred sixty thousand, thirty-one".