12112022123 has 4 divisors (see below), whose sum is σ = 12129106080. Its totient is φ = 12094938168.

The previous prime is 12112022081. The next prime is 12112022137. The reversal of 12112022123 is 32122021121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112022123 - 2²⁰ = 12110973547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112022023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8540915 + ... + 8542332.

It is an arithmetic number, because the mean of its divisors is an integer number (3032276520).

Almost surely, 2^12112022123 is an apocalyptic number.

12112022123 is a deficient number, since it is larger than the sum of its proper divisors (17083957).

12112022123 is an equidigital number, since it uses as much as digits as its factorization.

12112022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17083956.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12112022123 its reverse (32122021121), we get a palindrome (44234043244).

The spelling of 12112022123 in words is "twelve billion, one hundred twelve million, twenty-two thousand, one hundred twenty-three".