12112311030 has 32 divisors (see below), whose sum is σ = 29478981888. Its totient is φ = 3184456800.

The previous prime is 12112311023. The next prime is 12112311049. The reversal of 12112311030 is 3011321121.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841136 + ... + 2845395.

It is an arithmetic number, because the mean of its divisors is an integer number (921218184).

Almost surely, 2^12112311030 is an apocalyptic number.

12112311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112311030 is an abundant number, since it is smaller than the sum of its proper divisors (17366670858).

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

12112311030 is a wasteful number, since it uses less digits than its factorization.

12112311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686612.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12112311030 its reverse (3011321121), we get a palindrome (15123632151).

The spelling of 12112311030 in words is "twelve billion, one hundred twelve million, three hundred eleven thousand, thirty".