12033022231 has 4 divisors (see below), whose sum is σ = 12033588600. Its totient is φ = 12032455864.

The previous prime is 12033022213. The next prime is 12033022241. The reversal of 12033022231 is 13222033021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12033022231 - 2⁷ = 12033022103 is a prime.

It is a super-2 number, since 2×12033022231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12033022199 and 12033022208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033022201) 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, 250021 + ... + 294238.

It is an arithmetic number, because the mean of its divisors is an integer number (3008397150).

Almost surely, 2^12033022231 is an apocalyptic number.

12033022231 is a deficient number, since it is larger than the sum of its proper divisors (566369).

12033022231 is an equidigital number, since it uses as much as digits as its factorization.

12033022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566368.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12033022231 its reverse (13222033021), we get a palindrome (25255055252).

The spelling of 12033022231 in words is "twelve billion, thirty-three million, twenty-two thousand, two hundred thirty-one".