212194 has 12 divisors (see below), whose sum is σ = 341334. Its totient is φ = 98592.

The previous prime is 212183. The next prime is 212203. The reversal of 212194 is 491212.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 56169 = 395^2 + 237^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2647 + ... + 2725.

2²¹²¹⁹⁴ is an apocalyptic number.

212194 is a deficient number, since it is larger than the sum of its proper divisors (129140).

212194 is an equidigital number, since it uses as much as digits as its factorization.

212194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 98 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 212194 is about 460.6451996928. The cubic root of 212194 is about 59.6455022398.

It can be divided in two parts, 212 and 194, that added together give a triangular number (406 = T₂₈).

The spelling of 212194 in words is "two hundred twelve thousand, one hundred ninety-four".