68720995122 has 32 divisors (see below), whose sum is σ = 148074718848. Its totient is φ = 21136311936.

The previous prime is 68720995121. The next prime is 68720995159. The reversal of 68720995122 is 22159902786.

It is not an unprimeable number, because it can be changed into a prime (68720995121) 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, 14763 + ... + 371025.

It is an arithmetic number, because the mean of its divisors is an integer number (4627334964).

Almost surely, 2^68720995122 is an apocalyptic number.

68720995122 is an abundant number, since it is smaller than the sum of its proper divisors (79353723726).

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

68720995122 is a wasteful number, since it uses less digits than its factorization.

68720995122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358754.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 68720995122 in words is "sixty-eight billion, seven hundred twenty million, nine hundred ninety-five thousand, one hundred twenty-two".