12220303313 has 2 divisors, whose sum is σ = 12220303314. Its totient is φ = 12220303312.

The previous prime is 12220303309. The next prime is 12220303363. The reversal of 12220303313 is 31330302221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11743623424 + 476679889 = 108368^2 + 21833^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220303313 - 2² = 12220303309 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220303363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110151656 + 6110151657.

It is an arithmetic number, because the mean of its divisors is an integer number (6110151657).

Almost surely, 2^12220303313 is an apocalyptic number.

It is an amenable number.

12220303313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220303313 is an equidigital number, since it uses as much as digits as its factorization.

12220303313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12220303313 its reverse (31330302221), we get a palindrome (43550605534).

The spelling of 12220303313 in words is "twelve billion, two hundred twenty million, three hundred three thousand, three hundred thirteen".