12213205313 has 2 divisors, whose sum is σ = 12213205314. Its totient is φ = 12213205312.

The previous prime is 12213205289. The next prime is 12213205397. The reversal of 12213205313 is 31350231221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10795833409 + 1417371904 = 103903^2 + 37648^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213205313 - 2¹⁴ = 12213188929 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213205013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106602656 + 6106602657.

It is an arithmetic number, because the mean of its divisors is an integer number (6106602657).

Almost surely, 2^12213205313 is an apocalyptic number.

It is an amenable number.

12213205313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213205313 is an equidigital number, since it uses as much as digits as its factorization.

12213205313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 12213205313 its reverse (31350231221), we get a palindrome (43563436534).

The spelling of 12213205313 in words is "twelve billion, two hundred thirteen million, two hundred five thousand, three hundred thirteen".