12112112223100 has 36 divisors (see below), whose sum is σ = 26284553415288. Its totient is φ = 4844610808000.

The previous prime is 12112112223097. The next prime is 12112112223103. The reversal of 12112112223100 is 132221121121.

It is an interprime number because it is at equal distance from previous prime (12112112223097) and next prime (12112112223103).

It is a super-2 number, since 2×12112112223100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112112223103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 838531 + ... + 4992730.

It is an arithmetic number, because the mean of its divisors is an integer number (730126483758).

Almost surely, 2^{12112112223100} is an apocalyptic number.

12112112223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112112223100 is an abundant number, since it is smaller than the sum of its proper divisors (14172441192188).

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

12112112223100 is a wasteful number, since it uses less digits than its factorization.

12112112223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852046 (or 5852039 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12112112223100 its reverse (132221121121), we get a palindrome (12244333344221).

The spelling of 12112112223100 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-three thousand, one hundred".