212374 has 4 divisors (see below), whose sum is σ = 318564. Its totient is φ = 106186.

The previous prime is 212369. The next prime is 212383. The reversal of 212374 is 473212.

212374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53092 + ... + 53095.

It is an arithmetic number, because the mean of its divisors is an integer number (79641).

2²¹²³⁷⁴ is an apocalyptic number.

212374 is a deficient number, since it is larger than the sum of its proper divisors (106190).

212374 is a wasteful number, since it uses less digits than its factorization.

212374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106189.

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

The square root of 212374 is about 460.8405364115. The cubic root of 212374 is about 59.6623628423.

Adding to 212374 its reverse (473212), we get a palindrome (685586).

It can be divided in two parts, 21237 and 4, that multiplied together give a palindrome (84948).

The spelling of 212374 in words is "two hundred twelve thousand, three hundred seventy-four", and thus it is an iban number.