12031131232 has 24 divisors (see below), whose sum is σ = 23688969696. Its totient is φ = 6014884992.

The previous prime is 12031131187. The next prime is 12031131269. The reversal of 12031131232 is 23213113021.

12031131232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 385858 + ... + 415870.

It is an arithmetic number, because the mean of its divisors is an integer number (987040404).

Almost surely, 2^12031131232 is an apocalyptic number.

It is an amenable number.

12031131232 is a deficient number, since it is larger than the sum of its proper divisors (11657838464).

12031131232 is a wasteful number, since it uses less digits than its factorization.

12031131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42550 (or 42542 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12031131232 its reverse (23213113021), we get a palindrome (35244244253).

The spelling of 12031131232 in words is "twelve billion, thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".