212056 has 16 divisors (see below), whose sum is σ = 428400. Its totient is φ = 97824.

The previous prime is 212039. The next prime is 212057. The reversal of 212056 is 650212.

It is a happy number.

212056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (26775).

2²¹²⁰⁵⁶ is an apocalyptic number.

212056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

212056 is an abundant number, since it is smaller than the sum of its proper divisors (216344).

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

212056 is a wasteful number, since it uses less digits than its factorization.

212056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 212056 is about 460.4953854275. The cubic root of 212056 is about 59.6325693195.

Adding to 212056 its reverse (650212), we get a palindrome (862268).

The spelling of 212056 in words is "two hundred twelve thousand, fifty-six".