12180508705 has 8 divisors (see below), whose sum is σ = 15252115392. Its totient is φ = 9320737008.

The previous prime is 12180508591. The next prime is 12180508757. The reversal of 12180508705 is 50780508121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12180508705 - 2⁷ = 12180508577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52958619 + ... + 52958848.

It is an arithmetic number, because the mean of its divisors is an integer number (1906514424).

Almost surely, 2^12180508705 is an apocalyptic number.

It is an amenable number.

12180508705 is a deficient number, since it is larger than the sum of its proper divisors (3071606687).

12180508705 is a wasteful number, since it uses less digits than its factorization.

12180508705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105917495.

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 12180508705 in words is "twelve billion, one hundred eighty million, five hundred eight thousand, seven hundred five".