12213203322213 has 6 divisors (see below), whose sum is σ = 17641293687654. Its totient is φ = 8142135548136.

The previous prime is 12213203322179. The next prime is 12213203322217. The reversal of 12213203322213 is 31222330231221.

12213203322213 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 320 + 3 + 322 + 2 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7493807700324 + 4719395621889 = 2737482^2 + 2172417^2 .

It is not a de Polignac number, because 12213203322213 - 2⁶ = 12213203322149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213203322217) 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 5 ways as a sum of consecutive naturals, for example, 678511295670 + ... + 678511295687.

It is an arithmetic number, because the mean of its divisors is an integer number (2940215614609).

Almost surely, 2^{12213203322213} is an apocalyptic number.

It is an amenable number.

12213203322213 is a deficient number, since it is larger than the sum of its proper divisors (5428090365441).

12213203322213 is a wasteful number, since it uses less digits than its factorization.

12213203322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357022591363 (or 1357022591360 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12213203322213 its reverse (31222330231221), we get a palindrome (43435533553434).

The spelling of 12213203322213 in words is "twelve trillion, two hundred thirteen billion, two hundred three million, three hundred twenty-two thousand, two hundred thirteen".