12213104213 has 4 divisors (see below), whose sum is σ = 12744108768. Its totient is φ = 11682099660.

The previous prime is 12213104209. The next prime is 12213104243. The reversal of 12213104213 is 31240131221.

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 12213104213 - 2² = 12213104209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213104243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265502243 + ... + 265502288.

It is an arithmetic number, because the mean of its divisors is an integer number (3186027192).

Almost surely, 2^12213104213 is an apocalyptic number.

It is an amenable number.

12213104213 is a deficient number, since it is larger than the sum of its proper divisors (531004555).

12213104213 is an equidigital number, since it uses as much as digits as its factorization.

12213104213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531004554.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12213104213 its reverse (31240131221), we get a palindrome (43453235434).

The spelling of 12213104213 in words is "twelve billion, two hundred thirteen million, one hundred four thousand, two hundred thirteen".