12031191120 has 120 divisors (see below), whose sum is σ = 40386495456. Its totient is φ = 2961513984.

The previous prime is 12031191113. The next prime is 12031191121. The reversal of 12031191120 is 2119113021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031191121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107754 + ... + 188873.

Almost surely, 2^12031191120 is an apocalyptic number.

12031191120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031191120 is an abundant number, since it is smaller than the sum of its proper divisors (28355304336).

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

12031191120 is a wasteful number, since it uses less digits than its factorization.

12031191120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296669 (or 296650 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 12031191120 in words is "twelve billion, thirty-one million, one hundred ninety-one thousand, one hundred twenty".