122706616819 has 2 divisors, whose sum is σ = 122706616820. Its totient is φ = 122706616818.

The previous prime is 122706616789. The next prime is 122706616841. The reversal of 122706616819 is 918616607221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122706616819 - 2⁵ = 122706616787 is a prime.

It is a super-2 number, since 2×122706616819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122706616519) 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, 61353308409 + 61353308410.

It is an arithmetic number, because the mean of its divisors is an integer number (61353308410).

Almost surely, 2^122706616819 is an apocalyptic number.

122706616819 is a deficient number, since it is larger than the sum of its proper divisors (1).

122706616819 is an equidigital number, since it uses as much as digits as its factorization.

122706616819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 122706616819 in words is "one hundred twenty-two billion, seven hundred six million, six hundred sixteen thousand, eight hundred nineteen".