122552340013 has 2 divisors, whose sum is σ = 122552340014. Its totient is φ = 122552340012.

The previous prime is 122552339999. The next prime is 122552340019. The reversal of 122552340013 is 310043255221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121113048169 + 1439291844 = 348013^2 + 37938^2 .

It is a cyclic number.

It is not a de Polignac number, because 122552340013 - 2¹³ = 122552331821 is a prime.

It is a super-3 number, since 3×122552340013³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122552340019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61276170006 + 61276170007.

It is an arithmetic number, because the mean of its divisors is an integer number (61276170007).

Almost surely, 2^122552340013 is an apocalyptic number.

It is an amenable number.

122552340013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122552340013 is an equidigital number, since it uses as much as digits as its factorization.

122552340013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 122552340013 its reverse (310043255221), we get a palindrome (432595595234).

The spelling of 122552340013 in words is "one hundred twenty-two billion, five hundred fifty-two million, three hundred forty thousand, thirteen".