12210220213 has 4 divisors (see below), whose sum is σ = 12228749280. Its totient is φ = 12191691148.

The previous prime is 12210220163. The next prime is 12210220219. The reversal of 12210220213 is 31202201221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12210220213 - 2⁹ = 12210219701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210220219) 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 3 ways as a sum of consecutive naturals, for example, 9263545 + ... + 9264862.

It is an arithmetic number, because the mean of its divisors is an integer number (3057187320).

Almost surely, 2^12210220213 is an apocalyptic number.

It is an amenable number.

12210220213 is a deficient number, since it is larger than the sum of its proper divisors (18529067).

12210220213 is an equidigital number, since it uses as much as digits as its factorization.

12210220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18529066.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12210220213 its reverse (31202201221), we get a palindrome (43412421434).

The spelling of 12210220213 in words is "twelve billion, two hundred ten million, two hundred twenty thousand, two hundred thirteen".