12432223340131 has 32 divisors (see below), whose sum is σ = 14396875683840. Its totient is φ = 10515480079104.

The previous prime is 12432223340129. The next prime is 12432223340149. The reversal of 12432223340131 is 13104332223421.

It is not a de Polignac number, because 12432223340131 - 2¹ = 12432223340129 is a prime.

It is a super-2 number, since 2×12432223340131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12432223340093 and 12432223340102.

It is not an unprimeable number, because it can be changed into a prime (12432223340171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 839270481 + ... + 839285293.

It is an arithmetic number, because the mean of its divisors is an integer number (449902365120).

Almost surely, 2^{12432223340131} is an apocalyptic number.

12432223340131 is a deficient number, since it is larger than the sum of its proper divisors (1964652343709).

12432223340131 is a wasteful number, since it uses less digits than its factorization.

12432223340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18955.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12432223340131 its reverse (13104332223421), we get a palindrome (25536555563552).

The spelling of 12432223340131 in words is "twelve trillion, four hundred thirty-two billion, two hundred twenty-three million, three hundred forty thousand, one hundred thirty-one".