12133231223 has 8 divisors (see below), whose sum is σ = 13012801200. Its totient is φ = 11277759168.

The previous prime is 12133231213. The next prime is 12133231259. The reversal of 12133231223 is 32213233121.

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

It is not a de Polignac number, because 12133231223 - 2¹⁰ = 12133230199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133231213) 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, 6023438 + ... + 6025451.

It is an arithmetic number, because the mean of its divisors is an integer number (1626600150).

Almost surely, 2^12133231223 is an apocalyptic number.

12133231223 is a deficient number, since it is larger than the sum of its proper divisors (879569977).

12133231223 is a wasteful number, since it uses less digits than its factorization.

12133231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048961.

The product of its digits is 1296, while the sum is 23.

Adding to 12133231223 its reverse (32213233121), we get a palindrome (44346464344).

The spelling of 12133231223 in words is "twelve billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty-three".