68012128 has 24 divisors (see below), whose sum is σ = 134469720. Its totient is φ = 33861120.

The previous prime is 68012117. The next prime is 68012137. The reversal of 68012128 is 82121086.

It is a junction number, because it is equal to n+sod(n) for n = 68012096 and 68012105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3303 + ... + 12121.

It is an arithmetic number, because the mean of its divisors is an integer number (5602905).

Almost surely, 2^68012128 is an apocalyptic number.

It is an amenable number.

68012128 is a deficient number, since it is larger than the sum of its proper divisors (66457592).

68012128 is a wasteful number, since it uses less digits than its factorization.

68012128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070 (or 9062 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 68012128 is about 8246.9465864646. The cubic root of 68012128 is about 408.1897745890.

The spelling of 68012128 in words is "sixty-eight million, twelve thousand, one hundred twenty-eight".