12112111323 has 12 divisors (see below), whose sum is σ = 18841062240. Its totient is φ = 7453606896.

The previous prime is 12112111321. The next prime is 12112111331. The reversal of 12112111323 is 32311121121.

It is not a de Polignac number, because 12112111323 - 2¹ = 12112111321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112111296 and 12112111305.

It is not an unprimeable number, because it can be changed into a prime (12112111321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51761043 + ... + 51761276.

It is an arithmetic number, because the mean of its divisors is an integer number (1570088520).

Almost surely, 2^12112111323 is an apocalyptic number.

12112111323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12112111323 is a deficient number, since it is larger than the sum of its proper divisors (6728950917).

12112111323 is a wasteful number, since it uses less digits than its factorization.

12112111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103522338 (or 103522335 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 12112111323 its reverse (32311121121), we get a palindrome (44423232444).

The spelling of 12112111323 in words is "twelve billion, one hundred twelve million, one hundred eleven thousand, three hundred twenty-three".