1210202000173 has 2 divisors, whose sum is σ = 1210202000174. Its totient is φ = 1210202000172.

The previous prime is 1210202000083. The next prime is 1210202000213. The reversal of 1210202000173 is 3710002020121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1205344885924 + 4857114249 = 1097882^2 + 69693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210202000173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210202000173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210202000573) 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, 605101000086 + 605101000087.

It is an arithmetic number, because the mean of its divisors is an integer number (605101000087).

Almost surely, 2^{1210202000173} is an apocalyptic number.

It is an amenable number.

1210202000173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210202000173 is an equidigital number, since it uses as much as digits as its factorization.

1210202000173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 1210202000173 its reverse (3710002020121), we get a palindrome (4920204020294).

The spelling of 1210202000173 in words is "one trillion, two hundred ten billion, two hundred two million, one hundred seventy-three", and thus it is an aban number.