12412432531 has 2 divisors, whose sum is σ = 12412432532. Its totient is φ = 12412432530.

The previous prime is 12412432507. The next prime is 12412432583. The reversal of 12412432531 is 13523421421.

It is a weak prime.

It is an emirp because it is prime and its reverse (13523421421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12412432531 - 2²⁷ = 12278214803 is a prime.

It is a super-2 number, since 2×12412432531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12412432531.

It is not a weakly prime, because it can be changed into another prime (12412432231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206216265 + 6206216266.

It is an arithmetic number, because the mean of its divisors is an integer number (6206216266).

Almost surely, 2^12412432531 is an apocalyptic number.

12412432531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412432531 is an equidigital number, since it uses as much as digits as its factorization.

12412432531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

Adding to 12412432531 its reverse (13523421421), we get a palindrome (25935853952).

The spelling of 12412432531 in words is "twelve billion, four hundred twelve million, four hundred thirty-two thousand, five hundred thirty-one".