128567841200 has 120 divisors (see below), whose sum is σ = 310353796800. Its totient is φ = 51183175680.

The previous prime is 128567841113. The next prime is 128567841217. The reversal of 128567841200 is 2148765821.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117627854 + ... + 117628946.

It is an arithmetic number, because the mean of its divisors is an integer number (2586281640).

Almost surely, 2^128567841200 is an apocalyptic number.

128567841200 is a gapful number since it is divisible by the number (10) 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 128567841200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155176898400).

128567841200 is an abundant number, since it is smaller than the sum of its proper divisors (181785955600).

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

128567841200 is a wasteful number, since it uses less digits than its factorization.

128567841200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 128567841200 in words is "one hundred twenty-eight billion, five hundred sixty-seven million, eight hundred forty-one thousand, two hundred".