12213312233321 has 2 divisors, whose sum is σ = 12213312233322. Its totient is φ = 12213312233320.

The previous prime is 12213312233299. The next prime is 12213312233359. The reversal of 12213312233321 is 12333221331221.

12213312233321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11890221168400 + 323091064921 = 3448220^2 + 568411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213312233321 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213312233621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106656116660 + 6106656116661.

It is an arithmetic number, because the mean of its divisors is an integer number (6106656116661).

Almost surely, 2^{12213312233321} is an apocalyptic number.

It is an amenable number.

12213312233321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213312233321 is an equidigital number, since it uses as much as digits as its factorization.

12213312233321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

Adding to 12213312233321 its reverse (12333221331221), we get a palindrome (24546533564542).

The spelling of 12213312233321 in words is "twelve trillion, two hundred thirteen billion, three hundred twelve million, two hundred thirty-three thousand, three hundred twenty-one".