12157180170 has 32 divisors (see below), whose sum is σ = 29505072960. Its totient is φ = 3205488000.

The previous prime is 12157180163. The next prime is 12157180201. The reversal of 12157180170 is 7108175121.

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, 2273956 + ... + 2279295.

It is an arithmetic number, because the mean of its divisors is an integer number (922033530).

Almost surely, 2^12157180170 is an apocalyptic number.

12157180170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12157180170 is an abundant number, since it is smaller than the sum of its proper divisors (17347892790).

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

12157180170 is a wasteful number, since it uses less digits than its factorization.

12157180170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553350.

The product of its (nonzero) digits is 3920, while the sum is 33.

The spelling of 12157180170 in words is "twelve billion, one hundred fifty-seven million, one hundred eighty thousand, one hundred seventy".