12180716880 has 80 divisors (see below), whose sum is σ = 39062321280. Its totient is φ = 3136182784.

The previous prime is 12180716879. The next prime is 12180716929. The reversal of 12180716880 is 8861708121.

12180716880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 in 15 ways as a sum of consecutive naturals, for example, 868092 + ... + 882011.

It is an arithmetic number, because the mean of its divisors is an integer number (488279016).

Almost surely, 2^12180716880 is an apocalyptic number.

12180716880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12180716880 is an abundant number, since it is smaller than the sum of its proper divisors (26881604400).

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

12180716880 is a wasteful number, since it uses less digits than its factorization.

12180716880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750148 (or 1750142 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 42.

The spelling of 12180716880 in words is "twelve billion, one hundred eighty million, seven hundred sixteen thousand, eight hundred eighty".