128177228000 has 48 divisors (see below), whose sum is σ = 314931459024. Its totient is φ = 51270889600.

The previous prime is 128177227999. The next prime is 128177228017. The reversal of 128177228000 is 822771821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16018154 + ... + 16026153.

It is an arithmetic number, because the mean of its divisors is an integer number (6561072063).

Almost surely, 2^128177228000 is an apocalyptic number.

128177228000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128177228000 is an abundant number, since it is smaller than the sum of its proper divisors (186754231024).

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

128177228000 is an equidigital number, since it uses as much as digits as its factorization.

128177228000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32044332 (or 32044314 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

Adding to 128177228000 its reverse (822771821), we get a palindrome (128999999821).

The spelling of 128177228000 in words is "one hundred twenty-eight billion, one hundred seventy-seven million, two hundred twenty-eight thousand".