12112120230 has 32 divisors (see below), whose sum is σ = 33221816064. Its totient is φ = 2768484576.

The previous prime is 12112120211. The next prime is 12112120231. The reversal of 12112120230 is 3202121121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112120231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28838172 + ... + 28838591.

It is an arithmetic number, because the mean of its divisors is an integer number (1038181752).

Almost surely, 2^12112120230 is an apocalyptic number.

12112120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112120230 is an abundant number, since it is smaller than the sum of its proper divisors (21109695834).

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

12112120230 is a wasteful number, since it uses less digits than its factorization.

12112120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57676780.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12112120230 its reverse (3202121121), we get a palindrome (15314241351).

The spelling of 12112120230 in words is "twelve billion, one hundred twelve million, one hundred twenty thousand, two hundred thirty".