12112902 has 20 divisors (see below), whose sum is σ = 27142236. Its totient is φ = 4037580.

The previous prime is 12112897. The next prime is 12112907. The reversal of 12112902 is 20921121.

It is an interprime number because it is at equal distance from previous prime (12112897) and next prime (12112907).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112907) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37224 + ... + 37547.

Almost surely, 2^12112902 is an apocalyptic number.

12112902 is an abundant number, since it is smaller than the sum of its proper divisors (15029334).

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

12112902 is an equidigital number, since it uses as much as digits as its factorization.

12112902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74785 (or 74776 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12112902 is about 3480.3594641933. The cubic root of 12112902 is about 229.6586113605.

The spelling of 12112902 in words is "twelve million, one hundred twelve thousand, nine hundred two".