12451318990 has 32 divisors (see below), whose sum is σ = 24794242560. Its totient is φ = 4463978400.

The previous prime is 12451318909. The next prime is 12451319009. The reversal of 12451318990 is 9981315421.

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, 789330 + ... + 804949.

It is an arithmetic number, because the mean of its divisors is an integer number (774820080).

Almost surely, 2^12451318990 is an apocalyptic number.

12451318990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12451318990 is a deficient number, since it is larger than the sum of its proper divisors (12342923570).

12451318990 is a wasteful number, since it uses less digits than its factorization.

12451318990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594368.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 12451318990 in words is "twelve billion, four hundred fifty-one million, three hundred eighteen thousand, nine hundred ninety".