68012212 has 12 divisors (see below), whose sum is σ = 119810656. Its totient is φ = 33780600.

The previous prime is 68012209. The next prime is 68012213. The reversal of 68012212 is 21221086.

It is a super-2 number, since 2×68012212² = 9251321962265888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55698 + ... + 56905.

Almost surely, 2^68012212 is an apocalyptic number.

It is an amenable number.

68012212 is a deficient number, since it is larger than the sum of its proper divisors (51798444).

68012212 is a wasteful number, since it uses less digits than its factorization.

68012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112758 (or 112756 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 68012212 is about 8246.9516792570. The cubic root of 68012212 is about 408.1899426371.

Adding to 68012212 its reverse (21221086), we get a palindrome (89233298).

The spelling of 68012212 in words is "sixty-eight million, twelve thousand, two hundred twelve".