12112112122022 has 48 divisors (see below), whose sum is σ = 20289593617776. Its totient is φ = 5417563588800.

The previous prime is 12112112122003. The next prime is 12112112122051. The reversal of 12112112122022 is 22022121121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112112121985 and 12112112122003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14860448 + ... + 15654300.

It is an arithmetic number, because the mean of its divisors is an integer number (422699867037).

Almost surely, 2^{12112112122022} is an apocalyptic number.

12112112122022 is a deficient number, since it is larger than the sum of its proper divisors (8177481495754).

12112112122022 is a wasteful number, since it uses less digits than its factorization.

12112112122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794885 (or 794874 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12112112122022 its reverse (22022121121121), we get a palindrome (34134233243143).

The spelling of 12112112122022 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, twenty-two".