12230203221 has 48 divisors (see below), whose sum is σ = 18558908160. Its totient is φ = 7753449600.

The previous prime is 12230203213. The next prime is 12230203243.

12230203221 is a `hidden beast` number, since 12 + 230 + 203 + 221 = 666.

12230203221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12230203221 - 2³ = 12230203213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230203194 and 12230203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230203201) 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 47 ways as a sum of consecutive naturals, for example, 2654706 + ... + 2659308.

It is an arithmetic number, because the mean of its divisors is an integer number (386643920).

Almost surely, 2^12230203221 is an apocalyptic number.

It is an amenable number.

12230203221 is a deficient number, since it is larger than the sum of its proper divisors (6328704939).

12230203221 is a wasteful number, since it uses less digits than its factorization.

12230203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The spelling of 12230203221 in words is "twelve billion, two hundred thirty million, two hundred three thousand, two hundred twenty-one".