12112022221122 has 8 divisors (see below), whose sum is σ = 24224044442256. Its totient is φ = 4037340740372.

The previous prime is 12112022221073. The next prime is 12112022221133. The reversal of 12112022221122 is 22112222021121.

It is a sphenic number, since it is the product of 3 distinct primes.

12112022221122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009335185088 + ... + 1009335185099.

It is an arithmetic number, because the mean of its divisors is an integer number (3028005555282).

Almost surely, 2^{12112022221122} is an apocalyptic number.

12112022221122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12112022221122 is a wasteful number, since it uses less digits than its factorization.

12112022221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018670370192.

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

Adding to 12112022221122 its reverse (22112222021121), we get a palindrome (34224244242243).

The spelling of 12112022221122 in words is "twelve trillion, one hundred twelve billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".