12808343552 has 26 divisors (see below), whose sum is σ = 25613568258. Its totient is φ = 6404169728.

The previous prime is 12808343521. The next prime is 12808343579. The reversal of 12808343552 is 25534380821.

12808343552 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 only one way, i.e., 12774424576 + 33918976 = 113024^2 + 5824^2 .

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 as a sum of consecutive naturals, namely, 1559423 + ... + 1567614.

Almost surely, 2^12808343552 is an apocalyptic number.

It is an amenable number.

12808343552 is a deficient number, since it is larger than the sum of its proper divisors (12805224706).

12808343552 is an frugal number, since it uses more digits than its factorization.

12808343552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127061 (or 3127039 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 12808343552 in words is "twelve billion, eight hundred eight million, three hundred forty-three thousand, five hundred fifty-two".