12504531368 has 16 divisors (see below), whose sum is σ = 26795424480. Its totient is φ = 5359084848.

The previous prime is 12504531367. The next prime is 12504531401. The reversal of 12504531368 is 86313540521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12504531367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111647546 + ... + 111647657.

It is an arithmetic number, because the mean of its divisors is an integer number (1674714030).

Almost surely, 2^12504531368 is an apocalyptic number.

It is an amenable number.

12504531368 is an abundant number, since it is smaller than the sum of its proper divisors (14290893112).

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

12504531368 is a wasteful number, since it uses less digits than its factorization.

12504531368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223295216 (or 223295212 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 12504531368 in words is "twelve billion, five hundred four million, five hundred thirty-one thousand, three hundred sixty-eight".