12501262500 has 72 divisors (see below), whose sum is σ = 36459791424. Its totient is φ = 3333660000.

The previous prime is 12501262489. The next prime is 12501262513. The reversal of 12501262500 is 526210521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129184 + ... + 204183.

It is an arithmetic number, because the mean of its divisors is an integer number (506385992).

Almost surely, 2^12501262500 is an apocalyptic number.

12501262500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12501262500 is an abundant number, since it is smaller than the sum of its proper divisors (23958528924).

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

12501262500 is an equidigital number, since it uses as much as digits as its factorization.

12501262500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333399 (or 333377 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12501262500 in words is "twelve billion, five hundred one million, two hundred sixty-two thousand, five hundred".