12663882240 has 80 divisors (see below), whose sum is σ = 40484873088. Its totient is φ = 3377033216.

The previous prime is 12663882211. The next prime is 12663882349. The reversal of 12663882240 is 4228836621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 12663882192 and 12663882201.

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 7 ways as a sum of consecutive naturals, for example, 816792 + ... + 832151.

Almost surely, 2^12663882240 is an apocalyptic number.

12663882240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12663882240 is an abundant number, since it is smaller than the sum of its proper divisors (27820990848).

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

12663882240 is an equidigital number, since it uses as much as digits as its factorization.

12663882240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648969 (or 1648953 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 12663882240 in words is "twelve billion, six hundred sixty-three million, eight hundred eighty-two thousand, two hundred forty".