12232344331 has 8 divisors (see below), whose sum is σ = 12289676400. Its totient is φ = 12175100640.

The previous prime is 12232344307. The next prime is 12232344347. The reversal of 12232344331 is 13344323221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232344331 is a prime.

It is a super-2 number, since 2×12232344331² (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 12232344331.

It is not an unprimeable number, because it can be changed into a prime (12232344431) 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, 263980 + ... + 306838.

It is an arithmetic number, because the mean of its divisors is an integer number (1536209550).

Almost surely, 2^12232344331 is an apocalyptic number.

12232344331 is a deficient number, since it is larger than the sum of its proper divisors (57332069).

12232344331 is a wasteful number, since it uses less digits than its factorization.

12232344331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44189.

The product of its digits is 10368, while the sum is 28.

Adding to 12232344331 its reverse (13344323221), we get a palindrome (25576667552).

The spelling of 12232344331 in words is "twelve billion, two hundred thirty-two million, three hundred forty-four thousand, three hundred thirty-one".