68871342120 has 256 divisors, whose sum is σ = 249328281600. Its totient is φ = 14867297280.

The previous prime is 68871342119. The next prime is 68871342161. The reversal of 68871342120 is 2124317886.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5276242 + ... + 5289278.

It is an arithmetic number, because the mean of its divisors is an integer number (973938600).

Almost surely, 2^68871342120 is an apocalyptic number.

68871342120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68871342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124664140800).

68871342120 is an abundant number, since it is smaller than the sum of its proper divisors (180456939480).

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

68871342120 is a wasteful number, since it uses less digits than its factorization.

68871342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13408 (or 13404 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 68871342120 in words is "sixty-eight billion, eight hundred seventy-one million, three hundred forty-two thousand, one hundred twenty".