122323139771197 has 2 divisors, whose sum is σ = 122323139771198. Its totient is φ = 122323139771196.

The previous prime is 122323139771191. The next prime is 122323139771323. The reversal of 122323139771197 is 791177931323221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119637962671396 + 2685177099801 = 10937914^2 + 1638651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122323139771197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122323139771191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61161569885598 + 61161569885599.

It is an arithmetic number, because the mean of its divisors is an integer number (61161569885599).

Almost surely, 2^{122323139771197} is an apocalyptic number.

It is an amenable number.

122323139771197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122323139771197 is an equidigital number, since it uses as much as digits as its factorization.

122323139771197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6001128, while the sum is 58.

The spelling of 122323139771197 in words is "one hundred twenty-two trillion, three hundred twenty-three billion, one hundred thirty-nine million, seven hundred seventy-one thousand, one hundred ninety-seven".