12215301313 has 2 divisors, whose sum is σ = 12215301314. Its totient is φ = 12215301312.

The previous prime is 12215301251. The next prime is 12215301341. The reversal of 12215301313 is 31310351221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8737014784 + 3478286529 = 93472^2 + 58977^2 .

It is a cyclic number.

It is not a de Polignac number, because 12215301313 - 2¹⁷ = 12215170241 is a prime.

It is not a weakly prime, because it can be changed into another prime (12215301383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107650656 + 6107650657.

It is an arithmetic number, because the mean of its divisors is an integer number (6107650657).

Almost surely, 2^12215301313 is an apocalyptic number.

It is an amenable number.

12215301313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12215301313 is an equidigital number, since it uses as much as digits as its factorization.

12215301313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 12215301313 its reverse (31310351221), we get a palindrome (43525652534).

The spelling of 12215301313 in words is "twelve billion, two hundred fifteen million, three hundred one thousand, three hundred thirteen".