128183820912 has 60 divisors (see below), whose sum is σ = 409984763760. Its totient is φ = 36623948544.

The previous prime is 128183820907. The next prime is 128183820943. The reversal of 128183820912 is 219028381821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63582237 + ... + 63584252.

It is an arithmetic number, because the mean of its divisors is an integer number (6833079396).

Almost surely, 2^128183820912 is an apocalyptic number.

128183820912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128183820912 is an abundant number, since it is smaller than the sum of its proper divisors (281800942848).

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

128183820912 is a wasteful number, since it uses less digits than its factorization.

128183820912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127166510 (or 127166501 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 128183820912 in words is "one hundred twenty-eight billion, one hundred eighty-three million, eight hundred twenty thousand, nine hundred twelve".