240212 has 24 divisors (see below), whose sum is σ = 502656. Its totient is φ = 98208.

The previous prime is 240209. The next prime is 240257. The reversal of 240212 is 212042.

240212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 240193 and 240202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (20944).

2²⁴⁰²¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251328).

240212 is an abundant number, since it is smaller than the sum of its proper divisors (262444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240212 is a wasteful number, since it uses less digits than its factorization.

240212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 405 counting only the distinct ones).

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

The square root of 240212 is about 490.1142723896. The cubic root of 240212 is about 62.1629428809.

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

The spelling of 240212 in words is "two hundred forty thousand, two hundred twelve", and thus it is an iban number.