12112331010102 has 80 divisors (see below), whose sum is σ = 27777990593232. Its totient is φ = 3942666342720.

The previous prime is 12112331010097. The next prime is 12112331010103. The reversal of 12112331010102 is 20101013321121.

12112331010102 is a `hidden beast` number, since 121 + 123 + 310 + 10 + 102 = 666.

12112331010102 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112331010103) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31272952 + ... + 31657892.

Almost surely, 2^{12112331010102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112331010102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13888995296616).

12112331010102 is an abundant number, since it is smaller than the sum of its proper divisors (15665659583130).

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

12112331010102 is a wasteful number, since it uses less digits than its factorization.

12112331010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389515 (or 389506 counting only the distinct ones).

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

Adding to 12112331010102 its reverse (20101013321121), we get a palindrome (32213344331223).

The spelling of 12112331010102 in words is "twelve trillion, one hundred twelve billion, three hundred thirty-one million, ten thousand, one hundred two".