68107015212 has 72 divisors (see below), whose sum is σ = 168649174512. Its totient is φ = 21388406400.

The previous prime is 68107015201. The next prime is 68107015213. The reversal of 68107015212 is 21251070186.

It is not an unprimeable number, because it can be changed into a prime (68107015213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 740662 + ... + 827522.

It is an arithmetic number, because the mean of its divisors is an integer number (2342349646).

Almost surely, 2^68107015212 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 68107015212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84324587256).

68107015212 is an abundant number, since it is smaller than the sum of its proper divisors (100542159300).

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

68107015212 is a wasteful number, since it uses less digits than its factorization.

68107015212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87087 (or 87066 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

Adding to 68107015212 its reverse (21251070186), we get a palindrome (89358085398).

The spelling of 68107015212 in words is "sixty-eight billion, one hundred seven million, fifteen thousand, two hundred twelve".