122206450697 has 2 divisors, whose sum is σ = 122206450698. Its totient is φ = 122206450696.

The previous prime is 122206450687. The next prime is 122206450727. The reversal of 122206450697 is 796054602221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106764909001 + 15441541696 = 326749^2 + 124264^2 .

It is a cyclic number.

It is not a de Polignac number, because 122206450697 - 2⁸ = 122206450441 is a prime.

It is not a weakly prime, because it can be changed into another prime (122206450687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61103225348 + 61103225349.

It is an arithmetic number, because the mean of its divisors is an integer number (61103225349).

Almost surely, 2^122206450697 is an apocalyptic number.

It is an amenable number.

122206450697 is a deficient number, since it is larger than the sum of its proper divisors (1).

122206450697 is an equidigital number, since it uses as much as digits as its factorization.

122206450697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 122206450697 in words is "one hundred twenty-two billion, two hundred six million, four hundred fifty thousand, six hundred ninety-seven".