12504032344 has 8 divisors (see below), whose sum is σ = 23445060660. Its totient is φ = 6252016168.

The previous prime is 12504032279. The next prime is 12504032407. The reversal of 12504032344 is 44323040521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781502014 + ... + 781502029.

Almost surely, 2^12504032344 is an apocalyptic number.

It is an amenable number.

12504032344 is a deficient number, since it is larger than the sum of its proper divisors (10941028316).

12504032344 is a wasteful number, since it uses less digits than its factorization.

12504032344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563004049 (or 1563004045 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12504032344 its reverse (44323040521), we get a palindrome (56827072865).

The spelling of 12504032344 in words is "twelve billion, five hundred four million, thirty-two thousand, three hundred forty-four".