12500274740 has 24 divisors (see below), whose sum is σ = 26334457800. Its totient is φ = 4984132608.

The previous prime is 12500274737. The next prime is 12500274751. The reversal of 12500274740 is 4747200521.

It can be written as a sum of positive squares in 4 ways, for example, as 741908644 + 11758366096 = 27238^2 + 108436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12500274697 and 12500274706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992165 + ... + 1004684.

It is an arithmetic number, because the mean of its divisors is an integer number (1097269075).

Almost surely, 2^12500274740 is an apocalyptic number.

12500274740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12500274740 is an abundant number, since it is smaller than the sum of its proper divisors (13834183060).

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

12500274740 is a wasteful number, since it uses less digits than its factorization.

12500274740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997171 (or 1997169 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The spelling of 12500274740 in words is "twelve billion, five hundred million, two hundred seventy-four thousand, seven hundred forty".