12220211312713 has 2 divisors, whose sum is σ = 12220211312714. Its totient is φ = 12220211312712.

The previous prime is 12220211312657. The next prime is 12220211312779. The reversal of 12220211312713 is 31721311202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12044321663049 + 175889649664 = 3470493^2 + 419392^2 .

It is an emirp because it is prime and its reverse (31721311202221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220211312713 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220211312213) 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 as a sum of consecutive naturals, namely, 6110105656356 + 6110105656357.

It is an arithmetic number, because the mean of its divisors is an integer number (6110105656357).

Almost surely, 2^{12220211312713} is an apocalyptic number.

It is an amenable number.

12220211312713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220211312713 is an equidigital number, since it uses as much as digits as its factorization.

12220211312713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 12220211312713 its reverse (31721311202221), we get a palindrome (43941522514934).

The spelling of 12220211312713 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, three hundred twelve thousand, seven hundred thirteen".