1712721110225 has 12 divisors (see below), whose sum is σ = 2126727987840. Its totient is φ = 1368271203600.

The previous prime is 1712721110209. The next prime is 1712721110231. The reversal of 1712721110225 is 5220111272171.

It is not a de Polignac number, because 1712721110225 - 2⁴ = 1712721110209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1712721110191 and 1712721110200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47623781 + ... + 47659730.

It is an arithmetic number, because the mean of its divisors is an integer number (177227332320).

Almost surely, 2^{1712721110225} is an apocalyptic number.

It is an amenable number.

1712721110225 is a deficient number, since it is larger than the sum of its proper divisors (414006877615).

1712721110225 is an equidigital number, since it uses as much as digits as its factorization.

1712721110225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95284240 (or 95284235 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 32.

Adding to 1712721110225 its reverse (5220111272171), we get a palindrome (6932832382396).

The spelling of 1712721110225 in words is "one trillion, seven hundred twelve billion, seven hundred twenty-one million, one hundred ten thousand, two hundred twenty-five".