12112203030 has 64 divisors (see below), whose sum is σ = 30794376960. Its totient is φ = 3040412544.

The previous prime is 12112203023. The next prime is 12112203073. The reversal of 12112203030 is 3030221121.

12112203030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21817 + ... + 157163.

It is an arithmetic number, because the mean of its divisors is an integer number (481162140).

Almost surely, 2^12112203030 is an apocalyptic number.

12112203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112203030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15397188480).

12112203030 is an abundant number, since it is smaller than the sum of its proper divisors (18682173930).

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

12112203030 is a wasteful number, since it uses less digits than its factorization.

12112203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135533.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12112203030 its reverse (3030221121), we get a palindrome (15142424151).

The spelling of 12112203030 in words is "twelve billion, one hundred twelve million, two hundred three thousand, thirty".