12220133213 has 2 divisors, whose sum is σ = 12220133214. Its totient is φ = 12220133212.

The previous prime is 12220133209. The next prime is 12220133281. The reversal of 12220133213 is 31233102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12199865209 + 20268004 = 110453^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220133213 - 2² = 12220133209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220133113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110066606 + 6110066607.

It is an arithmetic number, because the mean of its divisors is an integer number (6110066607).

Almost surely, 2^12220133213 is an apocalyptic number.

It is an amenable number.

12220133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220133213 is an equidigital number, since it uses as much as digits as its factorization.

12220133213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12220133213 its reverse (31233102221), we get a palindrome (43453235434).

The spelling of 12220133213 in words is "twelve billion, two hundred twenty million, one hundred thirty-three thousand, two hundred thirteen".