12112102110100 has 18 divisors (see below), whose sum is σ = 26283261579134. Its totient is φ = 4844840844000.

The previous prime is 12112102110047. The next prime is 12112102110131. The reversal of 12112102110100 is 101120121121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 232898899216 + 11879203210884 = 482596^2 + 3446622^2 .

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 5 ways as a sum of consecutive naturals, for example, 60560510451 + ... + 60560510650.

Almost surely, 2^{12112102110100} is an apocalyptic number.

12112102110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112102110100 is an abundant number, since it is smaller than the sum of its proper divisors (14171159469034).

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

12112102110100 is a wasteful number, since it uses less digits than its factorization.

12112102110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121121021115 (or 121121021108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12112102110100 its reverse (101120121121), we get a palindrome (12213222231221).

It can be divided in two parts, 121121021 and 10100, that added together give a palindrome (121131121).

The spelling of 12112102110100 in words is "twelve trillion, one hundred twelve billion, one hundred two million, one hundred ten thousand, one hundred".