12112012023 has 32 divisors (see below), whose sum is σ = 17651520000. Its totient is φ = 7358182272.

The previous prime is 12112012019. The next prime is 12112012043. The reversal of 12112012023 is 32021021121.

It is not a de Polignac number, because 12112012023 - 2² = 12112012019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112011993 and 12112012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112012043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431038 + ... + 458276.

It is an arithmetic number, because the mean of its divisors is an integer number (551610000).

Almost surely, 2^12112012023 is an apocalyptic number.

12112012023 is a deficient number, since it is larger than the sum of its proper divisors (5539507977).

12112012023 is a wasteful number, since it uses less digits than its factorization.

12112012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27559.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12112012023 its reverse (32021021121), we get a palindrome (44133033144).

The spelling of 12112012023 in words is "twelve billion, one hundred twelve million, twelve thousand, twenty-three".