12032432442 has 128 divisors (see below), whose sum is σ = 29765836800. Its totient is φ = 3587068800.

The previous prime is 12032432441. The next prime is 12032432443. The reversal of 12032432442 is 24423423021.

12032432442 is a `hidden beast` number, since 12 + 0 + 324 + 324 + 4 + 2 = 666.

12032432442 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12032432441) and next prime (12032432443).

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

It is not an unprimeable number, because it can be changed into a prime (12032432441) 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, 1299433 + ... + 1308659.

It is an arithmetic number, because the mean of its divisors is an integer number (232545600).

Almost surely, 2^12032432442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12032432442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14882918400).

12032432442 is an abundant number, since it is smaller than the sum of its proper divisors (17733404358).

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

12032432442 is a wasteful number, since it uses less digits than its factorization.

12032432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329 (or 9323 counting only the distinct ones).

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

Adding to 12032432442 its reverse (24423423021), we get a palindrome (36455855463).

The spelling of 12032432442 in words is "twelve billion, thirty-two million, four hundred thirty-two thousand, four hundred forty-two".