12432211131 has 8 divisors (see below), whose sum is σ = 16577791504. Its totient is φ = 8287385760.

The previous prime is 12432211067. The next prime is 12432211151. The reversal of 12432211131 is 13111223421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12432211131 - 2⁶ = 12432211067 is a prime.

It is a super-2 number, since 2×12432211131² (a number of 21 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 = 12432211098 and 12432211107.

It is not an unprimeable number, because it can be changed into a prime (12432211151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149140 + ... + 217041.

It is an arithmetic number, because the mean of its divisors is an integer number (2072223938).

Almost surely, 2^12432211131 is an apocalyptic number.

12432211131 is a deficient number, since it is larger than the sum of its proper divisors (4145580373).

12432211131 is a wasteful number, since it uses less digits than its factorization.

12432211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377501.

The product of its digits is 288, while the sum is 21.

Adding to 12432211131 its reverse (13111223421), we get a palindrome (25543434552).

The spelling of 12432211131 in words is "twelve billion, four hundred thirty-two million, two hundred eleven thousand, one hundred thirty-one".