12502515250 has 16 divisors (see below), whose sum is σ = 23404709016. Its totient is φ = 5001006000.

The previous prime is 12502515247. The next prime is 12502515251. The reversal of 12502515250 is 5251520521.

It can be written as a sum of positive squares in 4 ways, for example, as 404935129 + 12097580121 = 20123^2 + 109989^2 .

It is not an unprimeable number, because it can be changed into a prime (12502515251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25004781 + ... + 25005280.

Almost surely, 2^12502515250 is an apocalyptic number.

12502515250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12502515250 is a deficient number, since it is larger than the sum of its proper divisors (10902193766).

12502515250 is an equidigital number, since it uses as much as digits as its factorization.

12502515250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010078 (or 50010068 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 12502515250 in words is "twelve billion, five hundred two million, five hundred fifteen thousand, two hundred fifty".