12331232000 has 72 divisors (see below), whose sum is σ = 30718720032. Its totient is φ = 4932480000.

The previous prime is 12331231993. The next prime is 12331232027. The reversal of 12331232000 is 23213321.

It is a self number, because there is not a number n which added to its sum of digits gives 12331232000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160676 + ... + 224675.

Almost surely, 2^12331232000 is an apocalyptic number.

12331232000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331232000 is an abundant number, since it is smaller than the sum of its proper divisors (18387488032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12331232000 is an frugal number, since it uses more digits than its factorization.

12331232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385382 (or 385358 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12331232000 its reverse (23213321), we get a palindrome (12354445321).

The spelling of 12331232000 in words is "twelve billion, three hundred thirty-one million, two hundred thirty-two thousand".