212734 has 4 divisors (see below), whose sum is σ = 319104. Its totient is φ = 106366.

The previous prime is 212701. The next prime is 212777. The reversal of 212734 is 437212.

212734 is nontrivially palindromic in base 12.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53182 + ... + 53185.

It is an arithmetic number, because the mean of its divisors is an integer number (79776).

2²¹²⁷³⁴ is an apocalyptic number.

212734 is a deficient number, since it is larger than the sum of its proper divisors (106370).

212734 is a wasteful number, since it uses less digits than its factorization.

212734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106369.

The product of its digits is 336, while the sum is 19.

The square root of 212734 is about 461.2309616667. The cubic root of 212734 is about 59.6960554881.

Adding to 212734 its reverse (437212), we get a palindrome (649946).

It can be divided in two parts, 212 and 734, that added together give a triangular number (946 = T₄₃).

The spelling of 212734 in words is "two hundred twelve thousand, seven hundred thirty-four".