12011031232 has 28 divisors (see below), whose sum is σ = 24341510880. Its totient is φ = 5877737216.

The previous prime is 12011031209. The next prime is 12011031247. The reversal of 12011031232 is 23213011021.

12011031232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1993507 + ... + 1999522.

Almost surely, 2^12011031232 is an apocalyptic number.

It is an amenable number.

12011031232 is an abundant number, since it is smaller than the sum of its proper divisors (12330479648).

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

12011031232 is an equidigital number, since it uses as much as digits as its factorization.

12011031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993088 (or 3993078 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12011031232 its reverse (23213011021), we get a palindrome (35224042253).

The spelling of 12011031232 in words is "twelve billion, eleven million, thirty-one thousand, two hundred thirty-two".