122320323213013 has 2 divisors, whose sum is σ = 122320323213014. Its totient is φ = 122320323213012.

The previous prime is 122320323212917. The next prime is 122320323213059. The reversal of 122320323213013 is 310312323023221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107171709550129 + 15148613662884 = 10352377^2 + 3892122^2 .

It is an emirp because it is prime and its reverse (310312323023221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122320323213013 - 2⁹ = 122320323212501 is a prime.

It is a super-2 number, since 2×122320323213013² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122320323213713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160161606506 + 61160161606507.

It is an arithmetic number, because the mean of its divisors is an integer number (61160161606507).

Almost surely, 2^{122320323213013} is an apocalyptic number.

It is an amenable number.

122320323213013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320323213013 is an equidigital number, since it uses as much as digits as its factorization.

122320323213013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 122320323213013 its reverse (310312323023221), we get a palindrome (432632646236234).

The spelling of 122320323213013 in words is "one hundred twenty-two trillion, three hundred twenty billion, three hundred twenty-three million, two hundred thirteen thousand, thirteen".