12330728080 has 80 divisors (see below), whose sum is σ = 32353732800. Its totient is φ = 4329274880.

The previous prime is 12330728057. The next prime is 12330728089. The reversal of 12330728080 is 8082703321.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (12330728089) 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, 216070 + ... + 267109.

It is an arithmetic number, because the mean of its divisors is an integer number (404421660).

Almost surely, 2^12330728080 is an apocalyptic number.

12330728080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12330728080 is an abundant number, since it is smaller than the sum of its proper divisors (20023004720).

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

12330728080 is a wasteful number, since it uses less digits than its factorization.

12330728080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483232 (or 483226 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 12330728080 in words is "twelve billion, three hundred thirty million, seven hundred twenty-eight thousand, eighty".