12210032321213 has 2 divisors, whose sum is σ = 12210032321214. Its totient is φ = 12210032321212.

The previous prime is 12210032321189. The next prime is 12210032321219. The reversal of 12210032321213 is 31212323001221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10358111433604 + 1851920887609 = 3218402^2 + 1360853^2 .

It is an emirp because it is prime and its reverse (31212323001221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210032321213 - 2²⁸ = 12209763885757 is a prime.

It is a super-2 number, since 2×12210032321213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210032321219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105016160606 + 6105016160607.

It is an arithmetic number, because the mean of its divisors is an integer number (6105016160607).

Almost surely, 2^{12210032321213} is an apocalyptic number.

It is an amenable number.

12210032321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210032321213 is an equidigital number, since it uses as much as digits as its factorization.

12210032321213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12210032321213 its reverse (31212323001221), we get a palindrome (43422355322434).

The spelling of 12210032321213 in words is "twelve trillion, two hundred ten billion, thirty-two million, three hundred twenty-one thousand, two hundred thirteen".