12331240232 has 16 divisors (see below), whose sum is σ = 23152889760. Its totient is φ = 6157136304.

The previous prime is 12331240223. The next prime is 12331240253. The reversal of 12331240232 is 23204213321.

It is a junction number, because it is equal to n+sod(n) for n = 12331240198 and 12331240207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054298 + ... + 1065929.

It is an arithmetic number, because the mean of its divisors is an integer number (1447055610).

Almost surely, 2^12331240232 is an apocalyptic number.

It is an amenable number.

12331240232 is a deficient number, since it is larger than the sum of its proper divisors (10821649528).

12331240232 is a wasteful number, since it uses less digits than its factorization.

12331240232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120960 (or 2120956 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12331240232 its reverse (23204213321), we get a palindrome (35535453553).

The spelling of 12331240232 in words is "twelve billion, three hundred thirty-one million, two hundred forty thousand, two hundred thirty-two".