120042043242 has 48 divisors (see below), whose sum is σ = 264294369696. Its totient is φ = 36321199200.

The previous prime is 120042043217. The next prime is 120042043259. The reversal of 120042043242 is 242340240021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354813 + ... + 604959.

It is an arithmetic number, because the mean of its divisors is an integer number (5506132702).

Almost surely, 2^120042043242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120042043242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132147184848).

120042043242 is an abundant number, since it is smaller than the sum of its proper divisors (144252326454).

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

120042043242 is a wasteful number, since it uses less digits than its factorization.

120042043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250835 (or 250824 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 120042043242 its reverse (242340240021), we get a palindrome (362382283263).

The spelling of 120042043242 in words is "one hundred twenty billion, forty-two million, forty-three thousand, two hundred forty-two".