12031331232 has 48 divisors (see below), whose sum is σ = 31812806592. Its totient is φ = 3981166080.

The previous prime is 12031331209. The next prime is 12031331281. The reversal of 12031331232 is 23213313021.

12031331232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 12031331199 and 12031331208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444244 + ... + 470547.

It is an arithmetic number, because the mean of its divisors is an integer number (662766804).

Almost surely, 2^12031331232 is an apocalyptic number.

12031331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031331232 is an abundant number, since it is smaller than the sum of its proper divisors (19781475360).

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

12031331232 is a wasteful number, since it uses less digits than its factorization.

12031331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914941 (or 914933 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12031331232 its reverse (23213313021), we get a palindrome (35244644253).

The spelling of 12031331232 in words is "twelve billion, thirty-one million, three hundred thirty-one thousand, two hundred thirty-two".