122203446647 has 2 divisors, whose sum is σ = 122203446648. Its totient is φ = 122203446646.

The previous prime is 122203446623. The next prime is 122203446661. The reversal of 122203446647 is 746644302221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122203446647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122203446667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101723323 + 61101723324.

It is an arithmetic number, because the mean of its divisors is an integer number (61101723324).

Almost surely, 2^122203446647 is an apocalyptic number.

122203446647 is a deficient number, since it is larger than the sum of its proper divisors (1).

122203446647 is an equidigital number, since it uses as much as digits as its factorization.

122203446647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 41.

Adding to 122203446647 its reverse (746644302221), we get a palindrome (868847748868).

The spelling of 122203446647 in words is "one hundred twenty-two billion, two hundred three million, four hundred forty-six thousand, six hundred forty-seven".