12112202011122 has 20 divisors (see below), whose sum is σ = 27140304506766. Its totient is φ = 4037400670320.

The previous prime is 12112202011109. The next prime is 12112202011139. The reversal of 12112202011122 is 22111020221121.

12112202011122 is a `hidden beast` number, since 1 + 211 + 220 + 201 + 11 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7001839917801 + 5110362093321 = 2646099^2 + 2260611^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12112202011095 and 12112202011104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37383339379 + ... + 37383339702.

Almost surely, 2^{12112202011122} is an apocalyptic number.

12112202011122 is an abundant number, since it is smaller than the sum of its proper divisors (15028102495644).

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

12112202011122 is an equidigital number, since it uses as much as digits as its factorization.

12112202011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74766679095 (or 74766679086 counting only the distinct ones).

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

Adding to 12112202011122 its reverse (22111020221121), we get a palindrome (34223222232243).

The spelling of 12112202011122 in words is "twelve trillion, one hundred twelve billion, two hundred two million, eleven thousand, one hundred twenty-two".