68212 has 6 divisors (see below), whose sum is σ = 119378. Its totient is φ = 34104.

The previous prime is 68209. The next prime is 68213. The reversal of 68212 is 21286.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54756 + 13456 = 234^2 + 116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8523 + ... + 8530.

2⁶⁸²¹² is an apocalyptic number.

It is an amenable number.

68212 is a deficient number, since it is larger than the sum of its proper divisors (51166).

68212 is a wasteful number, since it uses less digits than its factorization.

68212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17057 (or 17055 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 68212 is about 261.1742713209. The cubic root of 68212 is about 40.8589242148.

Adding to 68212 its reverse (21286), we get a palindrome (89498).

The spelling of 68212 in words is "sixty-eight thousand, two hundred twelve".