122342203513 has 2 divisors, whose sum is σ = 122342203514. Its totient is φ = 122342203512.

The previous prime is 122342203439. The next prime is 122342203541. The reversal of 122342203513 is 315302243221.

It is a happy number.

It is an a-pointer prime, because the next prime (122342203541) can be obtained adding 122342203513 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122337653824 + 4549689 = 349768^2 + 2133^2 .

It is a cyclic number.

It is not a de Polignac number, because 122342203513 - 2⁹ = 122342203001 is a prime.

It is a super-2 number, since 2×122342203513² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122342203573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171101756 + 61171101757.

It is an arithmetic number, because the mean of its divisors is an integer number (61171101757).

Almost surely, 2^122342203513 is an apocalyptic number.

It is an amenable number.

122342203513 is a deficient number, since it is larger than the sum of its proper divisors (1).

122342203513 is an equidigital number, since it uses as much as digits as its factorization.

122342203513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 122342203513 its reverse (315302243221), we get a palindrome (437644446734).

The spelling of 122342203513 in words is "one hundred twenty-two billion, three hundred forty-two million, two hundred three thousand, five hundred thirteen".