122001201239 has 2 divisors, whose sum is σ = 122001201240. Its totient is φ = 122001201238.

The previous prime is 122001201193. The next prime is 122001201241. The reversal of 122001201239 is 932102100221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (932102100221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122001201239 is a prime.

Together with 122001201241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122001201269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000600619 + 61000600620.

It is an arithmetic number, because the mean of its divisors is an integer number (61000600620).

Almost surely, 2^122001201239 is an apocalyptic number.

122001201239 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001201239 is an equidigital number, since it uses as much as digits as its factorization.

122001201239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 122001201239 in words is "one hundred twenty-two billion, one million, two hundred one thousand, two hundred thirty-nine".