68107035312 has 30 divisors (see below), whose sum is σ = 190605106172. Its totient is φ = 22702345056.

The previous prime is 68107035301. The next prime is 68107035313. The reversal of 68107035312 is 21353070186.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (68107035313) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 236482618 + ... + 236482905.

Almost surely, 2^68107035312 is an apocalyptic number.

It is an amenable number.

68107035312 is an abundant number, since it is smaller than the sum of its proper divisors (122498070860).

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

68107035312 is a wasteful number, since it uses less digits than its factorization.

68107035312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472965537 (or 472965528 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 68107035312 in words is "sixty-eight billion, one hundred seven million, thirty-five thousand, three hundred twelve".