12112122022 has 96 divisors (see below), whose sum is σ = 26025039936. Its totient is φ = 4099645440.

The previous prime is 12112122019. The next prime is 12112122083. The reversal of 12112122022 is 22022121121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12112121987 and 12112122005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358198 + ... + 390550.

It is an arithmetic number, because the mean of its divisors is an integer number (271094166).

Almost surely, 2^12112122022 is an apocalyptic number.

12112122022 is an abundant number, since it is smaller than the sum of its proper divisors (13912917914).

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

12112122022 is a wasteful number, since it uses less digits than its factorization.

12112122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32414 (or 32403 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12112122022 its reverse (22022121121), we get a palindrome (34134243143).

Subtracting 12112122022 from its reverse (22022121121), we obtain a palindrome (9909999099).

The spelling of 12112122022 in words is "twelve billion, one hundred twelve million, one hundred twenty-two thousand, twenty-two".