12184501868 has 96 divisors (see below), whose sum is σ = 29629877760. Its totient is φ = 4232770560.

The previous prime is 12184501867. The next prime is 12184501871. The reversal of 12184501868 is 86810548121.

12184501868 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 (44).

It is not an unprimeable number, because it can be changed into a prime (12184501867) 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, 38246 + ... + 160722.

It is an arithmetic number, because the mean of its divisors is an integer number (308644560).

Almost surely, 2^12184501868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12184501868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14814938880).

12184501868 is an abundant number, since it is smaller than the sum of its proper divisors (17445375892).

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

12184501868 is a wasteful number, since it uses less digits than its factorization.

12184501868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122535 (or 122533 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 12184501868 in words is "twelve billion, one hundred eighty-four million, five hundred one thousand, eight hundred sixty-eight".