12808315462644 has 192 divisors, whose sum is σ = 39170384870400. Its totient is φ = 3581291943936.

The previous prime is 12808315462603. The next prime is 12808315462753. The reversal of 12808315462644 is 44626451380821.

12808315462644 is a `hidden beast` number, since 1 + 2 + 8 + 0 + 8 + 3 + 1 + 5 + 4 + 626 + 4 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8560092 + ... + 9944435.

It is an arithmetic number, because the mean of its divisors is an integer number (204012421200).

Almost surely, 2^{12808315462644} is an apocalyptic number.

It is an amenable number.

12808315462644 is an abundant number, since it is smaller than the sum of its proper divisors (26362069407756).

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

12808315462644 is a wasteful number, since it uses less digits than its factorization.

12808315462644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18504599 (or 18504591 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 12808315462644 in words is "twelve trillion, eight hundred eight billion, three hundred fifteen million, four hundred sixty-two thousand, six hundred forty-four".