68012216 has 16 divisors (see below), whose sum is σ = 130970040. Its totient is φ = 33086880.

The previous prime is 68012213. The next prime is 68012237. The reversal of 68012216 is 61221086.

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, 114590 + ... + 115181.

Almost surely, 2^68012216 is an apocalyptic number.

It is an amenable number.

68012216 is a deficient number, since it is larger than the sum of its proper divisors (62957824).

68012216 is a wasteful number, since it uses less digits than its factorization.

68012216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229814 (or 229810 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 68012216 is about 8246.9519217709. The cubic root of 68012216 is about 408.1899506394.

The spelling of 68012216 in words is "sixty-eight million, twelve thousand, two hundred sixteen".