12052454442 has 48 divisors (see below), whose sum is σ = 28090074240. Its totient is φ = 3437458752.

The previous prime is 12052454417. The next prime is 12052454461. The reversal of 12052454442 is 24445425021.

12052454442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 131263 + ... + 203309.

It is an arithmetic number, because the mean of its divisors is an integer number (585209880).

Almost surely, 2^12052454442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12052454442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14045037120).

12052454442 is an abundant number, since it is smaller than the sum of its proper divisors (16037619798).

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

12052454442 is a wasteful number, since it uses less digits than its factorization.

12052454442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72635 (or 72628 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 12052454442 its reverse (24445425021), we get a palindrome (36497879463).

The spelling of 12052454442 in words is "twelve billion, fifty-two million, four hundred fifty-four thousand, four hundred forty-two".