212827173 has 16 divisors (see below), whose sum is σ = 308460096. Its totient is φ = 129744000.

The previous prime is 212827169. The next prime is 212827207. The reversal of 212827173 is 371728212.

It is not a de Polignac number, because 212827173 - 2² = 212827169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212827103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21328 + ... + 29673.

It is an arithmetic number, because the mean of its divisors is an integer number (19278756).

Almost surely, 2^212827173 is an apocalyptic number.

It is an amenable number.

212827173 is a deficient number, since it is larger than the sum of its proper divisors (95632923).

212827173 is a wasteful number, since it uses less digits than its factorization.

212827173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51124.

The product of its digits is 9408, while the sum is 33.

The square root of 212827173 is about 14588.5973623238. The cubic root of 212827173 is about 597.0476941995.

The spelling of 212827173 in words is "two hundred twelve million, eight hundred twenty-seven thousand, one hundred seventy-three".