12213223222223 has 4 divisors (see below), whose sum is σ = 12213232095960. Its totient is φ = 12213214348488.

The previous prime is 12213223222201. The next prime is 12213223222297. The reversal of 12213223222223 is 32222232231221.

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 12213223222223 - 2⁸ = 12213223221967 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 (12213223222423) 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, 1881968 + ... + 5288501.

It is an arithmetic number, because the mean of its divisors is an integer number (3053308023990).

Almost surely, 2^{12213223222223} is an apocalyptic number.

12213223222223 is a deficient number, since it is larger than the sum of its proper divisors (8873737).

12213223222223 is an equidigital number, since it uses as much as digits as its factorization.

12213223222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873736.

The product of its digits is 13824, while the sum is 29.

Adding to 12213223222223 its reverse (32222232231221), we get a palindrome (44435455453444).

The spelling of 12213223222223 in words is "twelve trillion, two hundred thirteen billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-three".