12197186672180 has 48 divisors (see below), whose sum is σ = 25976886292224. Its totient is φ = 4809781751040.

The previous prime is 12197186672179. The next prime is 12197186672183. The reversal of 12197186672180 is 8127668179121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197186672183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18177329 + ... + 18836391.

It is an arithmetic number, because the mean of its divisors is an integer number (541185131088).

Almost surely, 2^{12197186672180} is an apocalyptic number.

12197186672180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12197186672180 is an abundant number, since it is smaller than the sum of its proper divisors (13779699620044).

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

12197186672180 is a wasteful number, since it uses less digits than its factorization.

12197186672180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672176 (or 672174 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 59.

The spelling of 12197186672180 in words is "twelve trillion, one hundred ninety-seven billion, one hundred eighty-six million, six hundred seventy-two thousand, one hundred eighty".