12213313233 has 16 divisors (see below), whose sum is σ = 17911641792. Its totient is φ = 7402005600.

The previous prime is 12213313223. The next prime is 12213313291. The reversal of 12213313233 is 33231331221.

It is not a de Polignac number, because 12213313233 - 2²⁰ = 12212264657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12213313223) 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, 1525348 + ... + 1533333.

It is an arithmetic number, because the mean of its divisors is an integer number (1119477612).

Almost surely, 2^12213313233 is an apocalyptic number.

It is an amenable number.

12213313233 is a deficient number, since it is larger than the sum of its proper divisors (5698328559).

12213313233 is an equidigital number, since it uses as much as digits as its factorization.

12213313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058717 (or 3058695 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 12213313233 its reverse (33231331221), we get a palindrome (45444644454).

The spelling of 12213313233 in words is "twelve billion, two hundred thirteen million, three hundred thirteen thousand, two hundred thirty-three".