12213131133223 has 16 divisors (see below), whose sum is σ = 12510216432000. Its totient is φ = 11919058695072.

The previous prime is 12213131133199. The next prime is 12213131133239. The reversal of 12213131133223 is 32233113131221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213131133223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213131133191 and 12213131133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213131133283) 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, 192765636 + ... + 192828982.

It is an arithmetic number, because the mean of its divisors is an integer number (781888527000).

Almost surely, 2^{12213131133223} is an apocalyptic number.

12213131133223 is a deficient number, since it is larger than the sum of its proper divisors (297085298777).

12213131133223 is a wasteful number, since it uses less digits than its factorization.

12213131133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87054.

The product of its digits is 3888, while the sum is 28.

Adding to 12213131133223 its reverse (32233113131221), we get a palindrome (44446244264444).

The spelling of 12213131133223 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-three".