12366519984 has 480 divisors, whose sum is σ = 46186043904. Its totient is φ = 2995937280.

The previous prime is 12366519937. The next prime is 12366520013. The reversal of 12366519984 is 48991566321.

12366519984 is a `hidden beast` number, since 1 + 2 + 36 + 6 + 519 + 98 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12366519984.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9578379 + ... + 9579669.

Almost surely, 2^12366519984 is an apocalyptic number.

12366519984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12366519984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23093021952).

12366519984 is an abundant number, since it is smaller than the sum of its proper divisors (33819523920).

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

12366519984 is a wasteful number, since it uses less digits than its factorization.

12366519984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1376 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 12366519984 in words is "twelve billion, three hundred sixty-six million, five hundred nineteen thousand, nine hundred eighty-four".