12918227677920 has 240 divisors, whose sum is σ = 48272378072688. Its totient is φ = 3242221793280.

The previous prime is 12918227677897. The next prime is 12918227677987. The reversal of 12918227677920 is 2977672281921.

12918227677920 is a `hidden beast` number, since 1 + 291 + 8 + 2 + 276 + 7 + 79 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29096646 + ... + 29537285.

Almost surely, 2^{12918227677920} is an apocalyptic number.

12918227677920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12918227677920 is an abundant number, since it is smaller than the sum of its proper divisors (35354150394768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12918227677920 is a wasteful number, since it uses less digits than its factorization.

12918227677920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58633975 (or 58633958 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 12918227677920 in words is "twelve trillion, nine hundred eighteen billion, two hundred twenty-seven million, six hundred seventy-seven thousand, nine hundred twenty".