12213321210213 has 4 divisors (see below), whose sum is σ = 16284428280288. Its totient is φ = 8142214140140.

The previous prime is 12213321210197. The next prime is 12213321210239. The reversal of 12213321210213 is 31201212331221.

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 12213321210213 - 2⁴ = 12213321210197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213321210263) 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, 2035553535033 + ... + 2035553535038.

It is an arithmetic number, because the mean of its divisors is an integer number (4071107070072).

Almost surely, 2^{12213321210213} is an apocalyptic number.

It is an amenable number.

12213321210213 is a deficient number, since it is larger than the sum of its proper divisors (4071107070075).

12213321210213 is an equidigital number, since it uses as much as digits as its factorization.

12213321210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071107070074.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12213321210213 its reverse (31201212331221), we get a palindrome (43414533541434).

The spelling of 12213321210213 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-one million, two hundred ten thousand, two hundred thirteen".