12882081640 has 32 divisors (see below), whose sum is σ = 28994021280. Its totient is φ = 5151172672.

The previous prime is 12882081629. The next prime is 12882081647. The reversal of 12882081640 is 4618028821.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 12882081593 and 12882081602.

It is not an unprimeable number, because it can be changed into a prime (12882081647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77847 + ... + 178393.

It is an arithmetic number, because the mean of its divisors is an integer number (906063165).

Almost surely, 2^12882081640 is an apocalyptic number.

12882081640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12882081640 is an abundant number, since it is smaller than the sum of its proper divisors (16111939640).

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

12882081640 is a wasteful number, since it uses less digits than its factorization.

12882081640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103761 (or 103757 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The spelling of 12882081640 in words is "twelve billion, eight hundred eighty-two million, eighty-one thousand, six hundred forty".