68122212 has 12 divisors (see below), whose sum is σ = 158951856. Its totient is φ = 22707400.

The previous prime is 68122199. The next prime is 68122231. The reversal of 68122212 is 21222186.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838414 + ... + 2838437.

It is an arithmetic number, because the mean of its divisors is an integer number (13245988).

Almost surely, 2^68122212 is an apocalyptic number.

It is an amenable number.

68122212 is an abundant number, since it is smaller than the sum of its proper divisors (90829644).

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

68122212 is a wasteful number, since it uses less digits than its factorization.

68122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676858 (or 5676856 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 68122212 is about 8253.6181157114. The cubic root of 68122212 is about 408.4098870029.

Adding to 68122212 its reverse (21222186), we get a palindrome (89344398).

It can be divided in two parts, 6 and 8122212, that added together give a palindrome (8122218).

The spelling of 68122212 in words is "sixty-eight million, one hundred twenty-two thousand, two hundred twelve".