12133233123 has 32 divisors (see below), whose sum is σ = 18585830400. Its totient is φ = 6963213600.

The previous prime is 12133233109. The next prime is 12133233157. The reversal of 12133233123 is 32133233121.

It is not a de Polignac number, because 12133233123 - 2¹² = 12133229027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12133233093 and 12133233102.

It is not an unprimeable number, because it can be changed into a prime (12133233173) 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, 2236308 + ... + 2241726.

It is an arithmetic number, because the mean of its divisors is an integer number (580807200).

Almost surely, 2^12133233123 is an apocalyptic number.

12133233123 is a deficient number, since it is larger than the sum of its proper divisors (6452597277).

12133233123 is a wasteful number, since it uses less digits than its factorization.

12133233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023.

The product of its digits is 1944, while the sum is 24.

Adding to 12133233123 its reverse (32133233121), we get a palindrome (44266466244).

The spelling of 12133233123 in words is "twelve billion, one hundred thirty-three million, two hundred thirty-three thousand, one hundred twenty-three".