12112321233 has 8 divisors (see below), whose sum is σ = 16331220000. Its totient is φ = 7984151648.

The previous prime is 12112321181. The next prime is 12112321259. The reversal of 12112321233 is 33212321121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112321233 - 2⁸ = 12112320977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112391233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22681983 + ... + 22682516.

It is an arithmetic number, because the mean of its divisors is an integer number (2041402500).

Almost surely, 2^12112321233 is an apocalyptic number.

It is an amenable number.

12112321233 is a deficient number, since it is larger than the sum of its proper divisors (4218898767).

12112321233 is an equidigital number, since it uses as much as digits as its factorization.

12112321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45364591.

The product of its digits is 432, while the sum is 21.

Adding to 12112321233 its reverse (33212321121), we get a palindrome (45324642354).

The spelling of 12112321233 in words is "twelve billion, one hundred twelve million, three hundred twenty-one thousand, two hundred thirty-three".