12213132110213 has 4 divisors (see below), whose sum is σ = 12213606045888. Its totient is φ = 12212658174540.

The previous prime is 12213132110209. The next prime is 12213132110239. The reversal of 12213132110213 is 31201123131221.

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 12213132110213 - 2² = 12213132110209 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 (12213132010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236929181 + ... + 236980722.

It is an arithmetic number, because the mean of its divisors is an integer number (3053401511472).

Almost surely, 2^{12213132110213} is an apocalyptic number.

It is an amenable number.

12213132110213 is a deficient number, since it is larger than the sum of its proper divisors (473935675).

12213132110213 is an equidigital number, since it uses as much as digits as its factorization.

12213132110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473935674.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12213132110213 its reverse (31201123131221), we get a palindrome (43414255241434).

The spelling of 12213132110213 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-two million, one hundred ten thousand, two hundred thirteen".