12112002111100 has 72 divisors (see below), whose sum is σ = 26895643377680. Its totient is φ = 4731890849280.

The previous prime is 12112002111073. The next prime is 12112002111163. The reversal of 12112002111100 is 111120021121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101390206 + ... + 101509594.

Almost surely, 2^{12112002111100} is an apocalyptic number.

12112002111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112002111100 is an abundant number, since it is smaller than the sum of its proper divisors (14783641266580).

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

12112002111100 is a wasteful number, since it uses less digits than its factorization.

12112002111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143039 (or 143032 counting only the distinct ones).

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

Adding to 12112002111100 its reverse (111120021121), we get a palindrome (12223122132221).

It can be divided in two parts, 121120021 and 11100, that added together give a palindrome (121131121).

The spelling of 12112002111100 in words is "twelve trillion, one hundred twelve billion, two million, one hundred eleven thousand, one hundred".