122354041013 has 2 divisors, whose sum is σ = 122354041014. Its totient is φ = 122354041012.

The previous prime is 122354041009. The next prime is 122354041031. The reversal of 122354041013 is 310140453221.

It is a happy number.

Together with next prime (122354041031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122333456644 + 20584369 = 349762^2 + 4537^2 .

It is a cyclic number.

It is not a de Polignac number, because 122354041013 - 2² = 122354041009 is a prime.

It is a super-2 number, since 2×122354041013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122354041213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61177020506 + 61177020507.

It is an arithmetic number, because the mean of its divisors is an integer number (61177020507).

Almost surely, 2^122354041013 is an apocalyptic number.

It is an amenable number.

122354041013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122354041013 is an equidigital number, since it uses as much as digits as its factorization.

122354041013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 122354041013 its reverse (310140453221), we get a palindrome (432494494234).

The spelling of 122354041013 in words is "one hundred twenty-two billion, three hundred fifty-four million, forty-one thousand, thirteen".