12515244304 has 10 divisors (see below), whose sum is σ = 24248285870. Its totient is φ = 6257622144.

The previous prime is 12515244277. The next prime is 12515244307. The reversal of 12515244304 is 40344251521.

It can be written as a sum of positive squares in only one way, i.e., 12174915600 + 340328704 = 110340^2 + 18448^2 .

It is not an unprimeable number, because it can be changed into a prime (12515244307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391101369 + ... + 391101400.

It is an arithmetic number, because the mean of its divisors is an integer number (2424828587).

Almost surely, 2^12515244304 is an apocalyptic number.

It is an amenable number.

12515244304 is a deficient number, since it is larger than the sum of its proper divisors (11733041566).

12515244304 is an equidigital number, since it uses as much as digits as its factorization.

12515244304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782202777 (or 782202771 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12515244304 its reverse (40344251521), we get a palindrome (52859495825).

The spelling of 12515244304 in words is "twelve billion, five hundred fifteen million, two hundred forty-four thousand, three hundred four".