12001031232 has 56 divisors (see below), whose sum is σ = 31760769600. Its totient is φ = 3999330816.

The previous prime is 12001031219. The next prime is 12001031257. The reversal of 12001031232 is 23213010021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447194 + ... + 1455462.

It is an arithmetic number, because the mean of its divisors is an integer number (567156600).

Almost surely, 2^12001031232 is an apocalyptic number.

12001031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001031232 is an abundant number, since it is smaller than the sum of its proper divisors (19759738368).

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

12001031232 is an equidigital number, since it uses as much as digits as its factorization.

12001031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843 (or 15833 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12001031232 its reverse (23213010021), we get a palindrome (35214041253).

The spelling of 12001031232 in words is "twelve billion, one million, thirty-one thousand, two hundred thirty-two".