12181128170 has 8 divisors (see below), whose sum is σ = 21926030724. Its totient is φ = 4872451264.

The previous prime is 12181128163. The next prime is 12181128221. The reversal of 12181128170 is 7182118121.

It is a happy number.

12181128170 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 2 ways, for example, as 12085264489 + 95863681 = 109933^2 + 9791^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 609056399 + ... + 609056418.

Almost surely, 2^12181128170 is an apocalyptic number.

12181128170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12181128170 is a deficient number, since it is larger than the sum of its proper divisors (9744902554).

12181128170 is a wasteful number, since it uses less digits than its factorization.

12181128170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218112824.

The product of its (nonzero) digits is 1792, while the sum is 32.

The spelling of 12181128170 in words is "twelve billion, one hundred eighty-one million, one hundred twenty-eight thousand, one hundred seventy".