12422143520442 has 16 divisors (see below), whose sum is σ = 27604763378880. Its totient is φ = 4140714506796.

The previous prime is 12422143520333. The next prime is 12422143520509. The reversal of 12422143520442 is 24402534122421.

12422143520442 is a `hidden beast` number, since 1 + 2 + 4 + 22 + 143 + 52 + 0 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12422143520397 and 12422143520406.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115019847358 + ... + 115019847465.

It is an arithmetic number, because the mean of its divisors is an integer number (1725297711180).

Almost surely, 2^{12422143520442} is an apocalyptic number.

12422143520442 is an abundant number, since it is smaller than the sum of its proper divisors (15182619858438).

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

12422143520442 is a wasteful number, since it uses less digits than its factorization.

12422143520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230039694834 (or 230039694828 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 12422143520442 its reverse (24402534122421), we get a palindrome (36824677642863).

The spelling of 12422143520442 in words is "twelve trillion, four hundred twenty-two billion, one hundred forty-three million, five hundred twenty thousand, four hundred forty-two".