12112321231323 has 24 divisors (see below), whose sum is σ = 18442264994160. Its totient is φ = 7856640774720.

The previous prime is 12112321231207. The next prime is 12112321231333. The reversal of 12112321231323 is 32313212321121.

12112321231323 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 2 + 321 + 2 + 313 + 23 = 666.

It is not a de Polignac number, because 12112321231323 - 2¹³ = 12112321223131 is a prime.

It is a super-2 number, since 2×12112321231323² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12112321231333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163806898 + ... + 163880823.

It is an arithmetic number, because the mean of its divisors is an integer number (768427708090).

Almost surely, 2^{12112321231323} is an apocalyptic number.

12112321231323 is a deficient number, since it is larger than the sum of its proper divisors (6329943762837).

12112321231323 is an equidigital number, since it uses as much as digits as its factorization.

12112321231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327687804 (or 327687761 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 12112321231323 its reverse (32313212321121), we get a palindrome (44425533552444).

The spelling of 12112321231323 in words is "twelve trillion, one hundred twelve billion, three hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty-three".