142011205242 has 16 divisors (see below), whose sum is σ = 284028276000. Its totient is φ = 47336090832.

The previous prime is 142011205241. The next prime is 142011205243. The reversal of 142011205242 is 242502110241.

It is an interprime number because it is at equal distance from previous prime (142011205241) and next prime (142011205243).

It is not an unprimeable number, because it can be changed into a prime (142011205241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109848 + ... + 544140.

It is an arithmetic number, because the mean of its divisors is an integer number (17751767250).

Almost surely, 2^142011205242 is an apocalyptic number.

142011205242 is an abundant number, since it is smaller than the sum of its proper divisors (142017070758).

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

142011205242 is a wasteful number, since it uses less digits than its factorization.

142011205242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488797.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 142011205242 its reverse (242502110241), we get a palindrome (384513315483).

The spelling of 142011205242 in words is "one hundred forty-two billion, eleven million, two hundred five thousand, two hundred forty-two".