212163 has 8 divisors (see below), whose sum is σ = 323328. Its totient is φ = 121224.

The previous prime is 212161. The next prime is 212167. The reversal of 212163 is 361212.

212163 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212163 - 2¹ = 212161 is a prime.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

212163 is strictly pandigital in base 7.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (212161) 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, 5031 + ... + 5072.

It is an arithmetic number, because the mean of its divisors is an integer number (40416).

2²¹²¹⁶³ is an apocalyptic number.

212163 is a deficient number, since it is larger than the sum of its proper divisors (111165).

212163 is a wasteful number, since it uses less digits than its factorization.

212163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113.

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

The square root of 212163 is about 460.6115500072. The cubic root of 212163 is about 59.6425975070.

Adding to 212163 its reverse (361212), we get a palindrome (573375).

The spelling of 212163 in words is "two hundred twelve thousand, one hundred sixty-three".