210205116012017 has 8 divisors (see below), whose sum is σ = 240402531969600. Its totient is φ = 180049728471984.

The previous prime is 210205116011999. The next prime is 210205116012041. The reversal of 210205116012017 is 710210611502012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210205116012017 - 2²² = 210205111817713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210205116012077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10507093667 + ... + 10507113672.

It is an arithmetic number, because the mean of its divisors is an integer number (30050316496200).

Almost surely, 2^{210205116012017} is an apocalyptic number.

It is an amenable number.

210205116012017 is a deficient number, since it is larger than the sum of its proper divisors (30197415957583).

210205116012017 is a wasteful number, since it uses less digits than its factorization.

210205116012017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21014208775.

The product of its (nonzero) digits is 1680, while the sum is 29.

Adding to 210205116012017 its reverse (710210611502012), we get a palindrome (920415727514029).

The spelling of 210205116012017 in words is "two hundred ten trillion, two hundred five billion, one hundred sixteen million, twelve thousand, seventeen".