12023221133 has 16 divisors (see below), whose sum is σ = 15473541120. Its totient is φ = 9066524400.

The previous prime is 12023221103. The next prime is 12023221139. The reversal of 12023221133 is 33112232021.

It is a cyclic number.

It is not a de Polignac number, because 12023221133 - 2⁶ = 12023221069 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 (12023221139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2516093 + ... + 2520866.

It is an arithmetic number, because the mean of its divisors is an integer number (967096320).

Almost surely, 2^12023221133 is an apocalyptic number.

It is an amenable number.

12023221133 is a deficient number, since it is larger than the sum of its proper divisors (3450319987).

12023221133 is a wasteful number, since it uses less digits than its factorization.

12023221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037008.

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

Adding to 12023221133 its reverse (33112232021), we get a palindrome (45135453154).

The spelling of 12023221133 in words is "twelve billion, twenty-three million, two hundred twenty-one thousand, one hundred thirty-three".