12031119 has 8 divisors (see below), whose sum is σ = 17823920. Its totient is φ = 8020728.

The previous prime is 12031111. The next prime is 12031133. The reversal of 12031119 is 91113021.

12031119 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12031119 - 2³ = 12031111 is a prime.

It is a super-2 number, since 2×12031119² = 289495648784322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222772 + ... + 222825.

It is an arithmetic number, because the mean of its divisors is an integer number (2227990).

Almost surely, 2^12031119 is an apocalyptic number.

12031119 is a deficient number, since it is larger than the sum of its proper divisors (5792801).

12031119 is an equidigital number, since it uses as much as digits as its factorization.

12031119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445606 (or 445600 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 12031119 is about 3468.5903476773. The cubic root of 12031119 is about 229.1405797009.

It can be divided in two parts, 1 and 2031119, that added together give a triangular number (2031120 = T₂₀₁₅).

The spelling of 12031119 in words is "twelve million, thirty-one thousand, one hundred nineteen".