12310423220213 has 2 divisors, whose sum is σ = 12310423220214. Its totient is φ = 12310423220212.

The previous prime is 12310423220177. The next prime is 12310423220261. The reversal of 12310423220213 is 31202232401321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8659965899524 + 3650457320689 = 2942782^2 + 1910617^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310423220213 - 2³² = 12306128252917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310423229213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155211610106 + 6155211610107.

It is an arithmetic number, because the mean of its divisors is an integer number (6155211610107).

Almost surely, 2^{12310423220213} is an apocalyptic number.

It is an amenable number.

12310423220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310423220213 is an equidigital number, since it uses as much as digits as its factorization.

12310423220213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12310423220213 its reverse (31202232401321), we get a palindrome (43512655621534).

The spelling of 12310423220213 in words is "twelve trillion, three hundred ten billion, four hundred twenty-three million, two hundred twenty thousand, two hundred thirteen".