12220213112213 has 8 divisors (see below), whose sum is σ = 12450908857176. Its totient is φ = 11989522022400.

The previous prime is 12220213112203. The next prime is 12220213112231. The reversal of 12220213112213 is 31221131202221.

It can be written as a sum of positive squares in 4 ways, for example, as 611589689764 + 11608623422449 = 782042^2 + 3407143^2 .

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 12220213112213 - 2¹⁶ = 12220213046677 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 (12220213112203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4383173 + ... + 6607013.

It is an arithmetic number, because the mean of its divisors is an integer number (1556363607147).

Almost surely, 2^{12220213112213} is an apocalyptic number.

It is an amenable number.

12220213112213 is a deficient number, since it is larger than the sum of its proper divisors (230695744963).

12220213112213 is a wasteful number, since it uses less digits than its factorization.

12220213112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327575.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12220213112213 its reverse (31221131202221), we get a palindrome (43441344314434).

The spelling of 12220213112213 in words is "twelve trillion, two hundred twenty billion, two hundred thirteen million, one hundred twelve thousand, two hundred thirteen".