122017713481 has 2 divisors, whose sum is σ = 122017713482. Its totient is φ = 122017713480.

The previous prime is 122017713479. The next prime is 122017713529. The reversal of 122017713481 is 184317710221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121745166400 + 272547081 = 348920^2 + 16509^2 .

It is an emirp because it is prime and its reverse (184317710221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122017713481 - 2¹ = 122017713479 is a prime.

It is a super-2 number, since 2×122017713481² (a number of 23 digits) contains 22 as substring.

Together with 122017713479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122017713481.

It is not a weakly prime, because it can be changed into another prime (122017711481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61008856740 + 61008856741.

It is an arithmetic number, because the mean of its divisors is an integer number (61008856741).

Almost surely, 2^122017713481 is an apocalyptic number.

It is an amenable number.

122017713481 is a deficient number, since it is larger than the sum of its proper divisors (1).

122017713481 is an equidigital number, since it uses as much as digits as its factorization.

122017713481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 122017713481 in words is "one hundred twenty-two billion, seventeen million, seven hundred thirteen thousand, four hundred eighty-one".