12213203003213 has 8 divisors (see below), whose sum is σ = 12227746713240. Its totient is φ = 12198660701760.

The previous prime is 12213203003191. The next prime is 12213203003233. The reversal of 12213203003213 is 31230030231221.

It can be written as a sum of positive squares in 4 ways, for example, as 6252510252004 + 5960692751209 = 2500502^2 + 2441453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12213203003213 - 2³⁰ = 12212129261389 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 (12213203003233) 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 7 ways as a sum of consecutive naturals, for example, 17539643 + ... + 18222663.

It is an arithmetic number, because the mean of its divisors is an integer number (1528468339155).

Almost surely, 2^{12213203003213} is an apocalyptic number.

It is an amenable number.

12213203003213 is a deficient number, since it is larger than the sum of its proper divisors (14543710027).

12213203003213 is an equidigital number, since it uses as much as digits as its factorization.

12213203003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704287.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12213203003213 its reverse (31230030231221), we get a palindrome (43443233234434).

The spelling of 12213203003213 in words is "twelve trillion, two hundred thirteen billion, two hundred three million, three thousand, two hundred thirteen".