12031330233 has 16 divisors (see below), whose sum is σ = 18185007680. Its totient is φ = 7014216384.

The previous prime is 12031330217. The next prime is 12031330247. The reversal of 12031330233 is 33203313021.

It is not a de Polignac number, because 12031330233 - 2⁴ = 12031330217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031330433) 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, 8117566 + ... + 8119047.

It is an arithmetic number, because the mean of its divisors is an integer number (1136562980).

Almost surely, 2^12031330233 is an apocalyptic number.

12031330233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12031330233 is a deficient number, since it is larger than the sum of its proper divisors (6153677447).

12031330233 is a wasteful number, since it uses less digits than its factorization.

12031330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16236648.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 12031330233 its reverse (33203313021), we get a palindrome (45234643254).

The spelling of 12031330233 in words is "twelve billion, thirty-one million, three hundred thirty thousand, two hundred thirty-three".