68310212 has 12 divisors (see below), whose sum is σ = 120456336. Its totient is φ = 33894120.

The previous prime is 68310211. The next prime is 68310247. The reversal of 68310212 is 21201386.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68310211) 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, 64658 + ... + 65705.

It is an arithmetic number, because the mean of its divisors is an integer number (10038028).

Almost surely, 2^68310212 is an apocalyptic number.

It is an amenable number.

68310212 is a deficient number, since it is larger than the sum of its proper divisors (52146124).

68310212 is a wasteful number, since it uses less digits than its factorization.

68310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130498 (or 130496 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 68310212 is about 8264.9992135511. Note that the first 3 decimals coincide. The cubic root of 68310212 is about 408.7852444305.

Adding to 68310212 its reverse (21201386), we get a palindrome (89511598).

It can be divided in two parts, 683 and 10212, that multiplied together give a palindrome (6974796).

The spelling of 68310212 in words is "sixty-eight million, three hundred ten thousand, two hundred twelve".