128016216000 has 168 divisors, whose sum is σ = 457935598224. Its totient is φ = 34137638400.

The previous prime is 128016215939. The next prime is 128016216011. The reversal of 128016216000 is 612610821.

128016216000 is a `hidden beast` number, since 1 + 28 + 0 + 16 + 21 + 600 + 0 = 666.

It is a congruent number.

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, 817002 + ... + 961001.

Almost surely, 2^128016216000 is an apocalyptic number.

128016216000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128016216000 is an abundant number, since it is smaller than the sum of its proper divisors (329919382224).

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

128016216000 is a wasteful number, since it uses less digits than its factorization.

128016216000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778036 (or 1778013 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 128016216000 its reverse (612610821), we get a palindrome (128628826821).

The spelling of 128016216000 in words is "one hundred twenty-eight billion, sixteen million, two hundred sixteen thousand".