12515233052 has 12 divisors (see below), whose sum is σ = 25030466160. Its totient is φ = 5363671296.

The previous prime is 12515233039. The next prime is 12515233061. The reversal of 12515233052 is 25033251521.

12515233052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223486277 + ... + 223486332.

It is an arithmetic number, because the mean of its divisors is an integer number (2085872180).

Almost surely, 2^12515233052 is an apocalyptic number.

It is an amenable number.

12515233052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12515233052 is a wasteful number, since it uses less digits than its factorization.

12515233052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446972620 (or 446972618 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 12515233052 its reverse (25033251521), we get a palindrome (37548484573).

The spelling of 12515233052 in words is "twelve billion, five hundred fifteen million, two hundred thirty-three thousand, fifty-two".