12130042431 has 24 divisors (see below), whose sum is σ = 17559684480. Its totient is φ = 7444827936.

The previous prime is 12130042409. The next prime is 12130042447. The reversal of 12130042431 is 13424003121.

It is not a de Polignac number, because 12130042431 - 2⁵ = 12130042399 is a prime.

It is a super-2 number, since 2×12130042431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12130042398 and 12130042407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130042451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160590 + ... + 223716.

It is an arithmetic number, because the mean of its divisors is an integer number (731653520).

Almost surely, 2^12130042431 is an apocalyptic number.

12130042431 is a deficient number, since it is larger than the sum of its proper divisors (5429642049).

12130042431 is a wasteful number, since it uses less digits than its factorization.

12130042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63535 (or 63522 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12130042431 its reverse (13424003121), we get a palindrome (25554045552).

The spelling of 12130042431 in words is "twelve billion, one hundred thirty million, forty-two thousand, four hundred thirty-one".