10122001220173 has 2 divisors, whose sum is σ = 10122001220174. Its totient is φ = 10122001220172.

The previous prime is 10122001220053. The next prime is 10122001220189. The reversal of 10122001220173 is 37102210022101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6210078952009 + 3911922268164 = 2492003^2 + 1977858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122001220173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122001220873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061000610086 + 5061000610087.

It is an arithmetic number, because the mean of its divisors is an integer number (5061000610087).

Almost surely, 2^{10122001220173} is an apocalyptic number.

It is an amenable number.

10122001220173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122001220173 is an equidigital number, since it uses as much as digits as its factorization.

10122001220173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 10122001220173 its reverse (37102210022101), we get a palindrome (47224211242274).

The spelling of 10122001220173 in words is "ten trillion, one hundred twenty-two billion, one million, two hundred twenty thousand, one hundred seventy-three".