12168224176 has 20 divisors (see below), whose sum is σ = 23582035792. Its totient is φ = 6082537536.

The previous prime is 12168224143. The next prime is 12168224177. The reversal of 12168224176 is 67142286121.

It is not an unprimeable number, because it can be changed into a prime (12168224177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33351 + ... + 159526.

Almost surely, 2^12168224176 is an apocalyptic number.

12168224176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12168224176 is a deficient number, since it is larger than the sum of its proper divisors (11413811616).

12168224176 is a wasteful number, since it uses less digits than its factorization.

12168224176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196828 (or 196822 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The spelling of 12168224176 in words is "twelve billion, one hundred sixty-eight million, two hundred twenty-four thousand, one hundred seventy-six".