12213312133223 has 4 divisors (see below), whose sum is σ = 12213320891280. Its totient is φ = 12213303375168.

The previous prime is 12213312133147. The next prime is 12213312133249. The reversal of 12213312133223 is 32233121331221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12213312133223 - 2¹⁰ = 12213312132199 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 (12213312135223) 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, 1768490 + ... + 5249207.

It is an arithmetic number, because the mean of its divisors is an integer number (3053330222820).

Almost surely, 2^{12213312133223} is an apocalyptic number.

12213312133223 is a deficient number, since it is larger than the sum of its proper divisors (8758057).

12213312133223 is an equidigital number, since it uses as much as digits as its factorization.

12213312133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758056.

The product of its digits is 7776, while the sum is 29.

Adding to 12213312133223 its reverse (32233121331221), we get a palindrome (44446433464444).

The spelling of 12213312133223 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, one hundred thirty-three thousand, two hundred twenty-three".