12328549504840 has 64 divisors (see below), whose sum is σ = 27998188614000. Its totient is φ = 4885398282240.

The previous prime is 12328549504787. The next prime is 12328549504877. The reversal of 12328549504840 is 4840594582321.

12328549504840 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 8 ways, for example, as 8770565172196 + 3557984332644 = 2961514^2 + 1886262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27511696 + ... + 27956224.

Almost surely, 2^{12328549504840} is an apocalyptic number.

12328549504840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12328549504840 is an abundant number, since it is smaller than the sum of its proper divisors (15669639109160).

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

12328549504840 is a wasteful number, since it uses less digits than its factorization.

12328549504840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451010 (or 451006 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 12328549504840 in words is "twelve trillion, three hundred twenty-eight billion, five hundred forty-nine million, five hundred four thousand, eight hundred forty".