128068067707120 has 20 divisors (see below), whose sum is σ = 297758257419240. Its totient is φ = 51227227082816.

The previous prime is 128068067707057. The next prime is 128068067707133. The reversal of 128068067707120 is 21707760860821.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800425423090 + ... + 800425423249.

It is an arithmetic number, because the mean of its divisors is an integer number (14887912870962).

Almost surely, 2^{128068067707120} is an apocalyptic number.

128068067707120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128068067707120 is an abundant number, since it is smaller than the sum of its proper divisors (169690189712120).

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

128068067707120 is a wasteful number, since it uses less digits than its factorization.

128068067707120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600850846352 (or 1600850846346 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 128068067707120 in words is "one hundred twenty-eight trillion, sixty-eight billion, sixty-seven million, seven hundred seven thousand, one hundred twenty".