68651732012 has 6 divisors (see below), whose sum is σ = 120140531028. Its totient is φ = 34325866004.

The previous prime is 68651731961. The next prime is 68651732053. The reversal of 68651732012 is 21023715686.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8581466498 + ... + 8581466505.

It is an arithmetic number, because the mean of its divisors is an integer number (20023421838).

Almost surely, 2^68651732012 is an apocalyptic number.

It is an amenable number.

68651732012 is a deficient number, since it is larger than the sum of its proper divisors (51488799016).

68651732012 is a wasteful number, since it uses less digits than its factorization.

68651732012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17162933007 (or 17162933005 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 68651732012 in words is "sixty-eight billion, six hundred fifty-one million, seven hundred thirty-two thousand, twelve".