12504117344 has 24 divisors (see below), whose sum is σ = 25411595328. Its totient is φ = 6050378880.

The previous prime is 12504117343. The next prime is 12504117349. The reversal of 12504117344 is 44371140521.

It is a super-2 number, since 2×12504117344² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12504117344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504117343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6301487 + ... + 6303470.

It is an arithmetic number, because the mean of its divisors is an integer number (1058816472).

Almost surely, 2^12504117344 is an apocalyptic number.

It is an amenable number.

12504117344 is an abundant number, since it is smaller than the sum of its proper divisors (12907477984).

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

12504117344 is a wasteful number, since it uses less digits than its factorization.

12504117344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604998 (or 12604990 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 12504117344 its reverse (44371140521), we get a palindrome (56875257865).

The spelling of 12504117344 in words is "twelve billion, five hundred four million, one hundred seventeen thousand, three hundred forty-four".