1712706000221 has 2 divisors, whose sum is σ = 1712706000222. Its totient is φ = 1712706000220.

The previous prime is 1712706000193. The next prime is 1712706000223. The reversal of 1712706000221 is 1220006072171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1397097996121 + 315608004100 = 1181989^2 + 561790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1712706000221 is a prime.

Together with 1712706000223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1712706000223) 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, 856353000110 + 856353000111.

It is an arithmetic number, because the mean of its divisors is an integer number (856353000111).

Almost surely, 2^{1712706000221} is an apocalyptic number.

It is an amenable number.

1712706000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712706000221 is an equidigital number, since it uses as much as digits as its factorization.

1712706000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

The spelling of 1712706000221 in words is "one trillion, seven hundred twelve billion, seven hundred six million, two hundred twenty-one", and thus it is an aban number.