12033210231 has 30 divisors (see below), whose sum is σ = 20910324600. Its totient is φ = 6876117864.

The previous prime is 12033210209. The next prime is 12033210239. The reversal of 12033210231 is 13201233021.

It is not a de Polignac number, because 12033210231 - 2¹⁵ = 12033177463 is a prime.

It is a super-2 number, since 2×12033210231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033210239) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1511931 + ... + 1519868.

It is an arithmetic number, because the mean of its divisors is an integer number (697010820).

Almost surely, 2^12033210231 is an apocalyptic number.

12033210231 is a deficient number, since it is larger than the sum of its proper divisors (8877114369).

12033210231 is an equidigital number, since it uses as much as digits as its factorization.

12033210231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031825 (or 3031809 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12033210231 its reverse (13201233021), we get a palindrome (25234443252).

The spelling of 12033210231 in words is "twelve billion, thirty-three million, two hundred ten thousand, two hundred thirty-one".