12112120222122 has 16 divisors (see below), whose sum is σ = 24224294757312. Its totient is φ = 4037364355200.

The previous prime is 12112120222067. The next prime is 12112120222127. The reversal of 12112120222122 is 22122202121121.

It is not an unprimeable number, because it can be changed into a prime (12112120222127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 997363 + ... + 5021849.

It is an arithmetic number, because the mean of its divisors is an integer number (1514018422332).

Almost surely, 2^{12112120222122} is an apocalyptic number.

12112120222122 is an abundant number, since it is smaller than the sum of its proper divisors (12112174535190).

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

12112120222122 is a wasteful number, since it uses less digits than its factorization.

12112120222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526093.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12112120222122 its reverse (22122202121121), we get a palindrome (34234322343243).

The spelling of 12112120222122 in words is "twelve trillion, one hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-two".