12404243232 has 96 divisors (see below), whose sum is σ = 36499498560. Its totient is φ = 4098124800.

The previous prime is 12404243231. The next prime is 12404243237. The reversal of 12404243232 is 23234240421.

12404243232 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 424 + 3 + 232 = 666.

12404243232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12404243196 and 12404243205.

It is not an unprimeable number, because it can be changed into a prime (12404243231) 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 15 ways as a sum of consecutive naturals, for example, 34107 + ... + 161157.

It is an arithmetic number, because the mean of its divisors is an integer number (380203110).

Almost surely, 2^12404243232 is an apocalyptic number.

12404243232 is a gapful number since it is divisible by the number (12) 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 12404243232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18249749280).

12404243232 is an abundant number, since it is smaller than the sum of its proper divisors (24095255328).

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

12404243232 is a wasteful number, since it uses less digits than its factorization.

12404243232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127183 (or 127169 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12404243232 its reverse (23234240421), we get a palindrome (35638483653).

The spelling of 12404243232 in words is "twelve billion, four hundred four million, two hundred forty-three thousand, two hundred thirty-two".