12503699563680 has 3456 divisors, whose sum is σ = 55484029036800. Its totient is φ = 2630628016128.

The previous prime is 12503699563657. The next prime is 12503699563703. The reversal of 12503699563680 is 8636599630521.

12503699563680 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 3 + 6 + 9 + 9 + 563 + 68 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12503699563657) and next prime (12503699563703).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 89954673051 + ... + 89954673189.

It is an arithmetic number, because the mean of its divisors is an integer number (16054406550).

Almost surely, 2^{12503699563680} is an apocalyptic number.

12503699563680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12503699563680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27742014518400).

12503699563680 is an abundant number, since it is smaller than the sum of its proper divisors (42980329473120).

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

12503699563680 is a wasteful number, since it uses less digits than its factorization.

12503699563680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 62985600, while the sum is 63.

The spelling of 12503699563680 in words is "twelve trillion, five hundred three billion, six hundred ninety-nine million, five hundred sixty-three thousand, six hundred eighty".