212710171 has 8 divisors (see below), whose sum is σ = 226845360. Its totient is φ = 198755328.

The previous prime is 212710097. The next prime is 212710181. The reversal of 212710171 is 171017212.

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 212710171 - 2⁹ = 212709659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212710181) 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, 42646 + ... + 47371.

It is an arithmetic number, because the mean of its divisors is an integer number (28355670).

Almost surely, 2^212710171 is an apocalyptic number.

212710171 is a deficient number, since it is larger than the sum of its proper divisors (14135189).

212710171 is a wasteful number, since it uses less digits than its factorization.

212710171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90173.

The product of its (nonzero) digits is 196, while the sum is 22.

The square root of 212710171 is about 14584.5867613724. The cubic root of 212710171 is about 596.9382649095.

Adding to 212710171 its reverse (171017212), we get a palindrome (383727383).

The spelling of 212710171 in words is "two hundred twelve million, seven hundred ten thousand, one hundred seventy-one".