122313399919 has 2 divisors, whose sum is σ = 122313399920. Its totient is φ = 122313399918.

The previous prime is 122313399917. The next prime is 122313399959. The reversal of 122313399919 is 919993313221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122313399919 - 2¹ = 122313399917 is a prime.

It is a super-2 number, since 2×122313399919² (a number of 23 digits) contains 22 as substring.

Together with 122313399917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122313399917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156699959 + 61156699960.

It is an arithmetic number, because the mean of its divisors is an integer number (61156699960).

Almost surely, 2^122313399919 is an apocalyptic number.

122313399919 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313399919 is an equidigital number, since it uses as much as digits as its factorization.

122313399919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 708588, while the sum is 52.

The spelling of 122313399919 in words is "one hundred twenty-two billion, three hundred thirteen million, three hundred ninety-nine thousand, nine hundred nineteen".