12225168186 has 64 divisors (see below), whose sum is σ = 30620491776. Its totient is φ = 3161102400.

The previous prime is 12225168181. The next prime is 12225168211. The reversal of 12225168186 is 68186152221.

12225168186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12225168181) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 43696 + ... + 162356.

It is an arithmetic number, because the mean of its divisors is an integer number (478445184).

Almost surely, 2^12225168186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12225168186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15310245888).

12225168186 is an abundant number, since it is smaller than the sum of its proper divisors (18395323590).

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

12225168186 is a wasteful number, since it uses less digits than its factorization.

12225168186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118907.

The product of its digits is 92160, while the sum is 42.

The spelling of 12225168186 in words is "twelve billion, two hundred twenty-five million, one hundred sixty-eight thousand, one hundred eighty-six".