12504005144 has 16 divisors (see below), whose sum is σ = 23588846520. Its totient is φ = 6213646080.

The previous prime is 12504005141. The next prime is 12504005147. The reversal of 12504005144 is 44150040521.

It is an interprime number because it is at equal distance from previous prime (12504005141) and next prime (12504005147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504005141) 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, 4793177 + ... + 4795784.

Almost surely, 2^12504005144 is an apocalyptic number.

It is an amenable number.

12504005144 is a deficient number, since it is larger than the sum of its proper divisors (11084841376).

12504005144 is a wasteful number, since it uses less digits than its factorization.

12504005144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9589130 (or 9589126 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 12504005144 its reverse (44150040521), we get a palindrome (56654045665).

The spelling of 12504005144 in words is "twelve billion, five hundred four million, five thousand, one hundred forty-four".