12506375763820 has 48 divisors (see below), whose sum is σ = 26295706529568. Its totient is φ = 4996395648000.

The previous prime is 12506375763769. The next prime is 12506375763829. The reversal of 12506375763820 is 2836757360521.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12506375763829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249937524 + ... + 249987556.

It is an arithmetic number, because the mean of its divisors is an integer number (547827219366).

Almost surely, 2^{12506375763820} is an apocalyptic number.

12506375763820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12506375763820 is an abundant number, since it is smaller than the sum of its proper divisors (13789330765748).

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

12506375763820 is a wasteful number, since it uses less digits than its factorization.

12506375763820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65170 (or 65168 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 12506375763820 in words is "twelve trillion, five hundred six billion, three hundred seventy-five million, seven hundred sixty-three thousand, eight hundred twenty".