12180838684 has 24 divisors (see below), whose sum is σ = 24635409120. Its totient is φ = 5161702656.

The previous prime is 12180838679. The next prime is 12180838697. The reversal of 12180838684 is 48683808121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441497 + ... + 2446480.

It is an arithmetic number, because the mean of its divisors is an integer number (1026475380).

Almost surely, 2^12180838684 is an apocalyptic number.

12180838684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12180838684 is an abundant number, since it is smaller than the sum of its proper divisors (12454570436).

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

12180838684 is a wasteful number, since it uses less digits than its factorization.

12180838684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888077 (or 4888075 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 12180838684 in words is "twelve billion, one hundred eighty million, eight hundred thirty-eight thousand, six hundred eighty-four".