12112101100230 has 96 divisors (see below), whose sum is σ = 30365701783200. Its totient is φ = 3091080545280.

The previous prime is 12112101100181. The next prime is 12112101100237. The reversal of 12112101100230 is 3200110121121.

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 not an unprimeable number, because it can be changed into a prime (12112101100237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87946 + ... + 4922594.

It is an arithmetic number, because the mean of its divisors is an integer number (316309393575).

Almost surely, 2^{12112101100230} is an apocalyptic number.

12112101100230 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 12112101100230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15182850891600).

12112101100230 is an abundant number, since it is smaller than the sum of its proper divisors (18253600682970).

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

12112101100230 is a wasteful number, since it uses less digits than its factorization.

12112101100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834794 (or 4834757 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12112101100230 its reverse (3200110121121), we get a palindrome (15312211221351).

The spelling of 12112101100230 in words is "twelve trillion, one hundred twelve billion, one hundred one million, one hundred thousand, two hundred thirty".