12328205403548 has 48 divisors (see below), whose sum is σ = 21919235268000. Its totient is φ = 6065954002944.

The previous prime is 12328205403541. The next prime is 12328205403551. The reversal of 12328205403548 is 84530450282321.

12328205403548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328205403541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771807290 + ... + 771823262.

It is an arithmetic number, because the mean of its divisors is an integer number (456650734750).

Almost surely, 2^{12328205403548} is an apocalyptic number.

It is an amenable number.

12328205403548 is a deficient number, since it is larger than the sum of its proper divisors (9591029864452).

12328205403548 is a wasteful number, since it uses less digits than its factorization.

12328205403548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21846 (or 21844 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 47.

Adding to 12328205403548 its reverse (84530450282321), we get a palindrome (96858655685869).

The spelling of 12328205403548 in words is "twelve trillion, three hundred twenty-eight billion, two hundred five million, four hundred three thousand, five hundred forty-eight".