12351654994 has 32 divisors (see below), whose sum is σ = 22104182016. Its totient is φ = 5061281280.

The previous prime is 12351654989. The next prime is 12351655003. The reversal of 12351654994 is 49945615321.

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, 926214 + ... + 939454.

It is an arithmetic number, because the mean of its divisors is an integer number (690755688).

Almost surely, 2^12351654994 is an apocalyptic number.

12351654994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12351654994 is a deficient number, since it is larger than the sum of its proper divisors (9752527022).

12351654994 is a wasteful number, since it uses less digits than its factorization.

12351654994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170.

The product of its digits is 1166400, while the sum is 49.

The spelling of 12351654994 in words is "twelve billion, three hundred fifty-one million, six hundred fifty-four thousand, nine hundred ninety-four".