12123132233 has 4 divisors (see below), whose sum is σ = 12180588048. Its totient is φ = 12065676420.

The previous prime is 12123132223. The next prime is 12123132289. The reversal of 12123132233 is 33223132121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12123132233 - 2³² = 7828164937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12123132199 and 12123132208.

It is not an unprimeable number, because it can be changed into a prime (12123132223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28727591 + ... + 28728012.

It is an arithmetic number, because the mean of its divisors is an integer number (3045147012).

Almost surely, 2^12123132233 is an apocalyptic number.

It is an amenable number.

12123132233 is a deficient number, since it is larger than the sum of its proper divisors (57455815).

12123132233 is an equidigital number, since it uses as much as digits as its factorization.

12123132233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57455814.

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

Adding to 12123132233 its reverse (33223132121), we get a palindrome (45346264354).

The spelling of 12123132233 in words is "twelve billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty-three".