172050207100217 has 8 divisors (see below), whose sum is σ = 172774114261056. Its totient is φ = 171326828150992.

The previous prime is 172050207100207. The next prime is 172050207100223. The reversal of 172050207100217 is 712001702050271.

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

It is a cyclic number.

It is not a de Polignac number, because 172050207100217 - 2¹⁰ = 172050207099193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172050207100207) 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, 131400083 + ... + 132702984.

It is an arithmetic number, because the mean of its divisors is an integer number (21596764282632).

Almost surely, 2^{172050207100217} is an apocalyptic number.

It is an amenable number.

172050207100217 is a deficient number, since it is larger than the sum of its proper divisors (723907160839).

172050207100217 is a wasteful number, since it uses less digits than its factorization.

172050207100217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264105807.

The product of its (nonzero) digits is 13720, while the sum is 35.

Adding to 172050207100217 its reverse (712001702050271), we get a palindrome (884051909150488).

The spelling of 172050207100217 in words is "one hundred seventy-two trillion, fifty billion, two hundred seven million, one hundred thousand, two hundred seventeen".