120042442203042 has 64 divisors (see below), whose sum is σ = 245263926910464. Its totient is φ = 39160094023680.

The previous prime is 120042442203001. The next prime is 120042442203049. The reversal of 120042442203042 is 240302244240021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120042442203049) 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 31 ways as a sum of consecutive naturals, for example, 954875553 + ... + 955001259.

It is an arithmetic number, because the mean of its divisors is an integer number (3832248857976).

Almost surely, 2^{120042442203042} is an apocalyptic number.

120042442203042 is an abundant number, since it is smaller than the sum of its proper divisors (125221484707422).

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

120042442203042 is a wasteful number, since it uses less digits than its factorization.

120042442203042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143823.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 120042442203042 its reverse (240302244240021), we get a palindrome (360344686443063).

The spelling of 120042442203042 in words is "one hundred twenty trillion, forty-two billion, four hundred forty-two million, two hundred three thousand, forty-two".