12431220124 has 6 divisors (see below), whose sum is σ = 21754635224. Its totient is φ = 6215610060.

The previous prime is 12431220101. The next prime is 12431220161. The reversal of 12431220124 is 42102213421.

It is a junction number, because it is equal to n+sod(n) for n = 12431220095 and 12431220104.

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, 1553902512 + ... + 1553902519.

Almost surely, 2^12431220124 is an apocalyptic number.

It is an amenable number.

12431220124 is a deficient number, since it is larger than the sum of its proper divisors (9323415100).

12431220124 is a wasteful number, since it uses less digits than its factorization.

12431220124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107805035 (or 3107805033 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12431220124 its reverse (42102213421), we get a palindrome (54533433545).

The spelling of 12431220124 in words is "twelve billion, four hundred thirty-one million, two hundred twenty thousand, one hundred twenty-four".