12531413144 has 16 divisors (see below), whose sum is σ = 23534490600. Its totient is φ = 6255548992.

The previous prime is 12531413119. The next prime is 12531413179. The reversal of 12531413144 is 44131413521.

12531413144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264454 + ... + 1274325.

Almost surely, 2^12531413144 is an apocalyptic number.

It is an amenable number.

12531413144 is a deficient number, since it is larger than the sum of its proper divisors (11003077456).

12531413144 is a wasteful number, since it uses less digits than its factorization.

12531413144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539402 (or 2539398 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 12531413144 its reverse (44131413521), we get a palindrome (56662826665).

The spelling of 12531413144 in words is "twelve billion, five hundred thirty-one million, four hundred thirteen thousand, one hundred forty-four".