122247617559997 has 2 divisors, whose sum is σ = 122247617559998. Its totient is φ = 122247617559996.

The previous prime is 122247617559959. The next prime is 122247617560147. The reversal of 122247617559997 is 799955716742221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64416900728196 + 57830716831801 = 8026014^2 + 7604651^2 .

It is a cyclic number.

It is not a de Polignac number, because 122247617559997 - 2⁷ = 122247617559869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122247617559497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61123808779998 + 61123808779999.

It is an arithmetic number, because the mean of its divisors is an integer number (61123808779999).

Almost surely, 2^{122247617559997} is an apocalyptic number.

It is an amenable number.

122247617559997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122247617559997 is an equidigital number, since it uses as much as digits as its factorization.

122247617559997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200225600, while the sum is 76.

The spelling of 122247617559997 in words is "one hundred twenty-two trillion, two hundred forty-seven billion, six hundred seventeen million, five hundred fifty-nine thousand, nine hundred ninety-seven".