12332404531 has 4 divisors (see below), whose sum is σ = 12730224064. Its totient is φ = 11934585000.

The previous prime is 12332404493. The next prime is 12332404543. The reversal of 12332404531 is 13540423321.

It is a happy number.

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 12332404531 - 2¹¹ = 12332402483 is a prime.

It is a super-2 number, since 2×12332404531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12332404531.

It is not an unprimeable number, because it can be changed into a prime (12332404031) 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, 198909720 + ... + 198909781.

It is an arithmetic number, because the mean of its divisors is an integer number (3182556016).

Almost surely, 2^12332404531 is an apocalyptic number.

12332404531 is a deficient number, since it is larger than the sum of its proper divisors (397819533).

12332404531 is an equidigital number, since it uses as much as digits as its factorization.

12332404531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397819532.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12332404531 its reverse (13540423321), we get a palindrome (25872827852).

The spelling of 12332404531 in words is "twelve billion, three hundred thirty-two million, four hundred four thousand, five hundred thirty-one".