12210233332221 has 12 divisors (see below), whose sum is σ = 17637034195872. Its totient is φ = 8140141480776.

The previous prime is 12210233332181. The next prime is 12210233332279. The reversal of 12210233332221 is 12223333201221.

12210233332221 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 0 + 2 + 333 + 322 + 2 + 1 = 666.

It is not a de Polignac number, because 12210233332221 - 2¹⁷ = 12210233201149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210233332291) 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, 8664670 + ... + 9974816.

It is an arithmetic number, because the mean of its divisors is an integer number (1469752849656).

Almost surely, 2^{12210233332221} is an apocalyptic number.

It is an amenable number.

12210233332221 is a deficient number, since it is larger than the sum of its proper divisors (5426800863651).

12210233332221 is a wasteful number, since it uses less digits than its factorization.

12210233332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345680 (or 2345677 counting only the distinct ones).

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

Adding to 12210233332221 its reverse (12223333201221), we get a palindrome (24433566533442).

The spelling of 12210233332221 in words is "twelve trillion, two hundred ten billion, two hundred thirty-three million, three hundred thirty-two thousand, two hundred twenty-one".