128882742980 has 12 divisors (see below), whose sum is σ = 270653760300. Its totient is φ = 51553097184.

The previous prime is 128882742973. The next prime is 128882743091. The reversal of 128882742980 is 89247288821.

It can be written as a sum of positive squares in 2 ways, for example, as 24154133056 + 104728609924 = 155416^2 + 323618^2 .

It is a super-2 number, since 2×128882742980² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3222068555 + ... + 3222068594.

It is an arithmetic number, because the mean of its divisors is an integer number (22554480025).

Almost surely, 2^128882742980 is an apocalyptic number.

128882742980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128882742980 is an abundant number, since it is smaller than the sum of its proper divisors (141771017320).

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

128882742980 is a wasteful number, since it uses less digits than its factorization.

128882742980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444137158 (or 6444137156 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 59.

The spelling of 128882742980 in words is "one hundred twenty-eight billion, eight hundred eighty-two million, seven hundred forty-two thousand, nine hundred eighty".