12023332121 has 4 divisors (see below), whose sum is σ = 12026227200. Its totient is φ = 12020437044.

The previous prime is 12023332117. The next prime is 12023332147. The reversal of 12023332121 is 12123332021.

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 12023332121 - 2² = 12023332117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023332093 and 12023332102.

It is not an unprimeable number, because it can be changed into a prime (12023332721) 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, 1441301 + ... + 1449618.

It is an arithmetic number, because the mean of its divisors is an integer number (3006556800).

Almost surely, 2^12023332121 is an apocalyptic number.

It is an amenable number.

12023332121 is a deficient number, since it is larger than the sum of its proper divisors (2895079).

12023332121 is an equidigital number, since it uses as much as digits as its factorization.

12023332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895078.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12023332121 its reverse (12123332021), we get a palindrome (24146664142).

The spelling of 12023332121 in words is "twelve billion, twenty-three million, three hundred thirty-two thousand, one hundred twenty-one".