12640132299456 has 168 divisors, whose sum is σ = 39218356401840. Its totient is φ = 3991620529152.

The previous prime is 12640132299419. The next prime is 12640132299527. The reversal of 12640132299456 is 65499223104621.

12640132299456 is a `hidden beast` number, since 1 + 2 + 6 + 401 + 3 + 229 + 9 + 4 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9507621 + ... + 10755236.

It is an arithmetic number, because the mean of its divisors is an integer number (233442597630).

Almost surely, 2^{12640132299456} is an apocalyptic number.

12640132299456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12640132299456 is an abundant number, since it is smaller than the sum of its proper divisors (26578224102384).

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

12640132299456 is a wasteful number, since it uses less digits than its factorization.

12640132299456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20262916 (or 20262881 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 12640132299456 in words is "twelve trillion, six hundred forty billion, one hundred thirty-two million, two hundred ninety-nine thousand, four hundred fifty-six".