128216804786300 has 36 divisors (see below), whose sum is σ = 278688836314560. Its totient is φ = 51202229761920.

The previous prime is 128216804786299. The next prime is 128216804786353. The reversal of 128216804786300 is 3687408612821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056090905 + ... + 1056212304.

Almost surely, 2^{128216804786300} is an apocalyptic number.

128216804786300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128216804786300 is an abundant number, since it is smaller than the sum of its proper divisors (150472031528260).

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

128216804786300 is a wasteful number, since it uses less digits than its factorization.

128216804786300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112303830 (or 2112303823 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 128216804786300 in words is "one hundred twenty-eight trillion, two hundred sixteen billion, eight hundred four million, seven hundred eighty-six thousand, three hundred".