68085207512 has 64 divisors (see below), whose sum is σ = 148715481600. Its totient is φ = 28617960960.

The previous prime is 68085207511. The next prime is 68085207569. The reversal of 68085207512 is 21570258086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68085207511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406837 + ... + 1454427.

It is an arithmetic number, because the mean of its divisors is an integer number (2323679400).

Almost surely, 2^68085207512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68085207512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74357740800).

68085207512 is an abundant number, since it is smaller than the sum of its proper divisors (80630274088).

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

68085207512 is a wasteful number, since it uses less digits than its factorization.

68085207512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48096 (or 48092 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 68085207512 in words is "sixty-eight billion, eighty-five million, two hundred seven thousand, five hundred twelve".