12183835840 has 56 divisors (see below), whose sum is σ = 31650291792. Its totient is φ = 4430484480.

The previous prime is 12183835813. The next prime is 12183835871. The reversal of 12183835840 is 4853838121.

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, 1727139 + ... + 1734178.

It is an arithmetic number, because the mean of its divisors is an integer number (565183782).

Almost surely, 2^12183835840 is an apocalyptic number.

12183835840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12183835840 is an abundant number, since it is smaller than the sum of its proper divisors (19466455952).

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

12183835840 is a wasteful number, since it uses less digits than its factorization.

12183835840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461345 (or 3461335 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 12183835840 in words is "twelve billion, one hundred eighty-three million, eight hundred thirty-five thousand, eight hundred forty".