12183919020 has 192 divisors, whose sum is σ = 46653143040. Its totient is φ = 2570662656.

The previous prime is 12183919001. The next prime is 12183919021. The reversal of 12183919020 is 2091938121.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12183919021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74832 + ... + 173111.

It is an arithmetic number, because the mean of its divisors is an integer number (242985120).

Almost surely, 2^12183919020 is an apocalyptic number.

12183919020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12183919020 is an abundant number, since it is smaller than the sum of its proper divisors (34469224020).

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

12183919020 is a wasteful number, since it uses less digits than its factorization.

12183919020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247981 (or 247973 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 12183919020 in words is "twelve billion, one hundred eighty-three million, nine hundred nineteen thousand, twenty".