12131302424 has 8 divisors (see below), whose sum is σ = 22746192060. Its totient is φ = 6065651208.

The previous prime is 12131302411. The next prime is 12131302439. The reversal of 12131302424 is 42420313121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12131302424.

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, 758206394 + ... + 758206409.

Almost surely, 2^12131302424 is an apocalyptic number.

It is an amenable number.

12131302424 is a deficient number, since it is larger than the sum of its proper divisors (10614889636).

12131302424 is a wasteful number, since it uses less digits than its factorization.

12131302424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516412809 (or 1516412805 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12131302424 its reverse (42420313121), we get a palindrome (54551615545).

The spelling of 12131302424 in words is "twelve billion, one hundred thirty-one million, three hundred two thousand, four hundred twenty-four".