212042 has 8 divisors (see below), whose sum is σ = 321636. Its totient is φ = 104832.

The previous prime is 212039. The next prime is 212057. The reversal of 212042 is 240212.

212042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192721 + 19321 = 439^2 + 139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 740.

2²¹²⁰⁴² is an apocalyptic number.

212042 is a deficient number, since it is larger than the sum of its proper divisors (109594).

212042 is a wasteful number, since it uses less digits than its factorization.

212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 212042 is about 460.4801841556. The cubic root of 212042 is about 59.6312569706.

Adding to 212042 its reverse (240212), we get a palindrome (452254).

The spelling of 212042 in words is "two hundred twelve thousand, forty-two", and thus it is an iban number.