12951296990 has 32 divisors (see below), whose sum is σ = 24592014720. Its totient is φ = 4897317024.

The previous prime is 12951296989. The next prime is 12951297041. The reversal of 12951296990 is 9969215921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15749 + ... + 161711.

It is an arithmetic number, because the mean of its divisors is an integer number (768500460).

Almost surely, 2^12951296990 is an apocalyptic number.

12951296990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12951296990 is a deficient number, since it is larger than the sum of its proper divisors (11640717730).

12951296990 is a wasteful number, since it uses less digits than its factorization.

12951296990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146456.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 12951296990 in words is "twelve billion, nine hundred fifty-one million, two hundred ninety-six thousand, nine hundred ninety".