12811630967 has 6 divisors (see below), whose sum is σ = 13609587528. Its totient is φ = 12058005344.

The previous prime is 12811630963. The next prime is 12811630987. The reversal of 12811630967 is 76903611821.

It is not a de Polignac number, because 12811630967 - 2² = 12811630963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811630963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22165163 + ... + 22165740.

It is an arithmetic number, because the mean of its divisors is an integer number (2268264588).

Almost surely, 2^12811630967 is an apocalyptic number.

12811630967 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12811630967 is a deficient number, since it is larger than the sum of its proper divisors (797956561).

12811630967 is an equidigital number, since it uses as much as digits as its factorization.

12811630967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44330937 (or 44330920 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 12811630967 in words is "twelve billion, eight hundred eleven million, six hundred thirty thousand, nine hundred sixty-seven".