12112122220110 has 192 divisors, whose sum is σ = 35851201551360. Its totient is φ = 2808361290240.

The previous prime is 12112122220057. The next prime is 12112122220123. The reversal of 12112122220110 is 1102222121121.

12112122220110 is a `hidden beast` number, since 1 + 211 + 2 + 122 + 220 + 110 = 666.

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

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 446483367 + ... + 446510493.

It is an arithmetic number, because the mean of its divisors is an integer number (186725008080).

Almost surely, 2^{12112122220110} is an apocalyptic number.

12112122220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112122220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17925600775680).

12112122220110 is an abundant number, since it is smaller than the sum of its proper divisors (23739079331250).

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

12112122220110 is a wasteful number, since it uses less digits than its factorization.

12112122220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46783 (or 46780 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12112122220110 its reverse (1102222121121), we get a palindrome (13214344341231).

The spelling of 12112122220110 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".