12432192281442 has 48 divisors (see below), whose sum is σ = 27261559765440. Its totient is φ = 4094044298016.

The previous prime is 12432192281429. The next prime is 12432192281447. The reversal of 12432192281442 is 24418229123421.

12432192281442 is a `hidden beast` number, since 1 + 2 + 4 + 321 + 9 + 2 + 281 + 4 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (12432192281447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113140984 + ... + 113250812.

It is an arithmetic number, because the mean of its divisors is an integer number (567949161780).

Almost surely, 2^{12432192281442} is an apocalyptic number.

12432192281442 is an abundant number, since it is smaller than the sum of its proper divisors (14829367483998).

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

12432192281442 is a wasteful number, since it uses less digits than its factorization.

12432192281442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185687 (or 185684 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 12432192281442 in words is "twelve trillion, four hundred thirty-two billion, one hundred ninety-two million, two hundred eighty-one thousand, four hundred forty-two".