12112100002122 has 16 divisors (see below), whose sum is σ = 24294010383072. Its totient is φ = 4025731604240.

The previous prime is 12112100002117. The next prime is 12112100002129. The reversal of 12112100002122 is 22120000121121.

It is a super-2 number, since 2×12112100002122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12112100002129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908763529 + ... + 2908767692.

It is an arithmetic number, because the mean of its divisors is an integer number (1518375648942).

Almost surely, 2^{12112100002122} is an apocalyptic number.

12112100002122 is an abundant number, since it is smaller than the sum of its proper divisors (12181910380950).

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

12112100002122 is a wasteful number, since it uses less digits than its factorization.

12112100002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817531573.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112100002122 its reverse (22120000121121), we get a palindrome (34232100123243).

The spelling of 12112100002122 in words is "twelve trillion, one hundred twelve billion, one hundred million, two thousand, one hundred twenty-two".