212000163 has 4 divisors (see below), whose sum is σ = 282666888. Its totient is φ = 141333440.

The previous prime is 212000161. The next prime is 212000189. The reversal of 212000163 is 361000212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212000163 - 2¹ = 212000161 is a prime.

It is a super-2 number, since 2×212000163² = 89888138224053138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212000161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35333358 + ... + 35333363.

It is an arithmetic number, because the mean of its divisors is an integer number (70666722).

Almost surely, 2^212000163 is an apocalyptic number.

212000163 is a deficient number, since it is larger than the sum of its proper divisors (70666725).

212000163 is an equidigital number, since it uses as much as digits as its factorization.

212000163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70666724.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 212000163 is about 14560.2253760029. The cubic root of 212000163 is about 596.2733485928.

Adding to 212000163 its reverse (361000212), we get a palindrome (573000375).

The spelling of 212000163 in words is "two hundred twelve million, one hundred sixty-three", and thus it is an aban number.