12233212213221 has 16 divisors (see below), whose sum is σ = 18133340321920. Its totient is φ = 8150946472800.

The previous prime is 12233212213213. The next prime is 12233212213241. The reversal of 12233212213221 is 12231221233221.

12233212213221 is a `hidden beast` number, since 1 + 2 + 2 + 332 + 1 + 2 + 2 + 1 + 322 + 1 = 666.

It is not a de Polignac number, because 12233212213221 - 2³ = 12233212213213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233212213241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125737585 + ... + 125834838.

It is an arithmetic number, because the mean of its divisors is an integer number (1133333770120).

Almost surely, 2^{12233212213221} is an apocalyptic number.

It is an amenable number.

12233212213221 is a deficient number, since it is larger than the sum of its proper divisors (5900128108699).

12233212213221 is a wasteful number, since it uses less digits than its factorization.

12233212213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251574233 (or 251574227 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 12233212213221 its reverse (12231221233221), we get a palindrome (24464433446442).

The spelling of 12233212213221 in words is "twelve trillion, two hundred thirty-three billion, two hundred twelve million, two hundred thirteen thousand, two hundred twenty-one".