12213123220233 has 12 divisors (see below), whose sum is σ = 18998191676100. Its totient is φ = 7515768135456.

The previous prime is 12213123220229. The next prime is 12213123220247. The reversal of 12213123220233 is 33202232131221.

12213123220233 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 312 + 322 + 0 + 23 + 3 = 666.

12213123220233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7980240804624 + 4232882415609 = 2824932^2 + 2057397^2 .

It is not a de Polignac number, because 12213123220233 - 2² = 12213123220229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12213123220197 and 12213123220206.

It is not an unprimeable number, because it can be changed into a prime (12213123220033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52192834158 + ... + 52192834391.

It is an arithmetic number, because the mean of its divisors is an integer number (1583182639675).

Almost surely, 2^{12213123220233} is an apocalyptic number.

12213123220233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12213123220233 is a deficient number, since it is larger than the sum of its proper divisors (6785068455867).

12213123220233 is a wasteful number, since it uses less digits than its factorization.

12213123220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104385668568 (or 104385668565 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12213123220233 its reverse (33202232131221), we get a palindrome (45415355351454).

The spelling of 12213123220233 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, two hundred twenty thousand, two hundred thirty-three".