12112220213100 has 216 divisors, whose sum is σ = 44099955387488. Its totient is φ = 2723122022400.

The previous prime is 12112220213089. The next prime is 12112220213279. The reversal of 12112220213100 is 131202221121.

12112220213100 is a `hidden beast` number, since 1 + 2 + 112 + 220 + 21 + 310 + 0 = 666.

It is a super-2 number, since 2×12112220213100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15374509 + ... + 16143108.

Almost surely, 2^{12112220213100} is an apocalyptic number.

12112220213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112220213100 is an abundant number, since it is smaller than the sum of its proper divisors (31987735174388).

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

12112220213100 is a wasteful number, since it uses less digits than its factorization.

12112220213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31517705 (or 31517695 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12112220213100 its reverse (131202221121), we get a palindrome (12243422434221).

The spelling of 12112220213100 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, two hundred thirteen thousand, one hundred".