212075 has 12 divisors (see below), whose sum is σ = 279000. Its totient is φ = 159360.

The previous prime is 212057. The next prime is 212081. The reversal of 212075 is 570212.

It is not a de Polignac number, because 212075 - 2¹⁰ = 211051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (23250).

2²¹²⁰⁷⁵ is an apocalyptic number.

212075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212075 is a deficient number, since it is larger than the sum of its proper divisors (66925).

212075 is a wasteful number, since it uses less digits than its factorization.

212075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 212075 is about 460.5160149224. The cubic root of 212075 is about 59.6343502719.

Adding to 212075 its reverse (570212), we get a palindrome (782287).

It can be divided in two parts, 21207 and 5, that added together give a palindrome (21212).

The spelling of 212075 in words is "two hundred twelve thousand, seventy-five".