12112100022 has 32 divisors (see below), whose sum is σ = 26430678144. Its totient is φ = 3669739200.

The previous prime is 12112099997. The next prime is 12112100023. The reversal of 12112100022 is 22000121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112099980 and 12112100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112100023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 567753 + ... + 588699.

It is an arithmetic number, because the mean of its divisors is an integer number (825958692).

Almost surely, 2^12112100022 is an apocalyptic number.

12112100022 is an abundant number, since it is smaller than the sum of its proper divisors (14318578122).

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

12112100022 is a wasteful number, since it uses less digits than its factorization.

12112100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29724.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12112100022 its reverse (22000121121), we get a palindrome (34112221143).

The spelling of 12112100022 in words is "twelve billion, one hundred twelve million, one hundred thousand, twenty-two".