12112390 has 16 divisors (see below), whose sum is σ = 22028832. Its totient is φ = 4794624.

The previous prime is 12112363. The next prime is 12112403. The reversal of 12112390 is 9321121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5274 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (1376802).

Almost surely, 2^12112390 is an apocalyptic number.

12112390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112390 is a deficient number, since it is larger than the sum of its proper divisors (9916442).

12112390 is a wasteful number, since it uses less digits than its factorization.

12112390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12591.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12112390 is about 3480.2859077955. The cubic root of 12112390 is about 229.6553755032.

The spelling of 12112390 in words is "twelve million, one hundred twelve thousand, three hundred ninety".