12648803388 has 24 divisors (see below), whose sum is σ = 31784173008. Its totient is φ = 3891939456.

The previous prime is 12648803383. The next prime is 12648803399. The reversal of 12648803388 is 88330884621.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12648803388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648803383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40540881 + ... + 40541192.

It is an arithmetic number, because the mean of its divisors is an integer number (1324340542).

Almost surely, 2^12648803388 is an apocalyptic number.

It is an amenable number.

12648803388 is an abundant number, since it is smaller than the sum of its proper divisors (19135369620).

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

12648803388 is a wasteful number, since it uses less digits than its factorization.

12648803388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81082093 (or 81082091 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 12648803388 in words is "twelve billion, six hundred forty-eight million, eight hundred three thousand, three hundred eighty-eight".