212474 has 16 divisors (see below), whose sum is σ = 345600. Its totient is φ = 97680.

The previous prime is 212467. The next prime is 212479. The reversal of 212474 is 474212.

It is not an unprimeable number, because it can be changed into a prime (212479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2²¹²⁴⁷⁴ is an apocalyptic number.

212474 is a deficient number, since it is larger than the sum of its proper divisors (133126).

212474 is a wasteful number, since it uses less digits than its factorization.

212474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 448, while the sum is 20.

The square root of 212474 is about 460.9490210425. The cubic root of 212474 is about 59.6717257275.

Adding to 212474 its reverse (474212), we get a palindrome (686686).

It can be divided in two parts, 212 and 474, that added together give a palindrome (686).

The spelling of 212474 in words is "two hundred twelve thousand, four hundred seventy-four", and thus it is an iban number.