12242402131 has 4 divisors (see below), whose sum is σ = 12242752992. Its totient is φ = 12242051272.

The previous prime is 12242402101. The next prime is 12242402141. The reversal of 12242402131 is 13120424221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12242402131 - 2²³ = 12234013523 is a prime.

It is a super-2 number, since 2×12242402131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12242402101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116491 + ... + 195076.

It is an arithmetic number, because the mean of its divisors is an integer number (3060688248).

Almost surely, 2^12242402131 is an apocalyptic number.

12242402131 is a deficient number, since it is larger than the sum of its proper divisors (350861).

12242402131 is an equidigital number, since it uses as much as digits as its factorization.

12242402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350860.

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

Adding to 12242402131 its reverse (13120424221), we get a palindrome (25362826352).

The spelling of 12242402131 in words is "twelve billion, two hundred forty-two million, four hundred two thousand, one hundred thirty-one".