12112120102100 has 36 divisors (see below), whose sum is σ = 26286676724700. Its totient is φ = 4844225717760.

The previous prime is 12112120102091. The next prime is 12112120102141. The reversal of 12112120102100 is 120102121121.

It can be written as a sum of positive squares in 6 ways, for example, as 60766194064 + 12051353908036 = 246508^2 + 3471506^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6996245 + ... + 8554044.

It is an arithmetic number, because the mean of its divisors is an integer number (730185464575).

Almost surely, 2^{12112120102100} is an apocalyptic number.

12112120102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112120102100 is an abundant number, since it is smaller than the sum of its proper divisors (14174556622600).

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

12112120102100 is a wasteful number, since it uses less digits than its factorization.

12112120102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15558092 (or 15558085 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112120102100 its reverse (120102121121), we get a palindrome (12232222223221).

The spelling of 12112120102100 in words is "twelve trillion, one hundred twelve billion, one hundred twenty million, one hundred two thousand, one hundred".