12448284820 has 12 divisors (see below), whose sum is σ = 26141398164. Its totient is φ = 4979313920.

The previous prime is 12448284809. The next prime is 12448284851. The reversal of 12448284820 is 2848284421.

12448284820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7199861904 + 5248422916 = 84852^2 + 72446^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311207101 + ... + 311207140.

It is an arithmetic number, because the mean of its divisors is an integer number (2178449847).

Almost surely, 2^12448284820 is an apocalyptic number.

12448284820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12448284820 is an abundant number, since it is smaller than the sum of its proper divisors (13693113344).

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

12448284820 is a wasteful number, since it uses less digits than its factorization.

12448284820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622414250 (or 622414248 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 43.

The spelling of 12448284820 in words is "twelve billion, four hundred forty-eight million, two hundred eighty-four thousand, eight hundred twenty".