12530754507816 has 80 divisors (see below), whose sum is σ = 35692591809600. Its totient is φ = 4106122933536.

The previous prime is 12530754507779. The next prime is 12530754507871. The reversal of 12530754507816 is 61870545703521.

12530754507816 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 0 + 7 + 54 + 507 + 81 + 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 19 ways as a sum of consecutive naturals, for example, 163839600 + ... + 163916063.

It is an arithmetic number, because the mean of its divisors is an integer number (446157397620).

Almost surely, 2^{12530754507816} is an apocalyptic number.

It is an amenable number.

12530754507816 is an abundant number, since it is smaller than the sum of its proper divisors (23161837301784).

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

12530754507816 is a wasteful number, since it uses less digits than its factorization.

12530754507816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327755740 (or 327755727 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 12530754507816 in words is "twelve trillion, five hundred thirty billion, seven hundred fifty-four million, five hundred seven thousand, eight hundred sixteen".