12223221013 has 2 divisors, whose sum is σ = 12223221014. Its totient is φ = 12223221012.

The previous prime is 12223221011. The next prime is 12223221041. The reversal of 12223221013 is 31012232221.

12223221013 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., 11617175089 + 606045924 = 107783^2 + 24618^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223221013 - 2¹ = 12223221011 is a prime.

Together with 12223221011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111610506 + 6111610507.

It is an arithmetic number, because the mean of its divisors is an integer number (6111610507).

Almost surely, 2^12223221013 is an apocalyptic number.

It is an amenable number.

12223221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223221013 is an equidigital number, since it uses as much as digits as its factorization.

12223221013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12223221013 its reverse (31012232221), we get a palindrome (43235453234).

The spelling of 12223221013 in words is "twelve billion, two hundred twenty-three million, two hundred twenty-one thousand, thirteen".