142140204122120 has 32 divisors (see below), whose sum is σ = 319903733257920. Its totient is φ = 56840388496320.

The previous prime is 142140204122057. The next prime is 142140204122129. The reversal of 142140204122120 is 21221402041241.

It is a self number, because there is not a number n which added to its sum of digits gives 142140204122120.

It is not an unprimeable number, because it can be changed into a prime (142140204122129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490264286 + ... + 490554125.

It is an arithmetic number, because the mean of its divisors is an integer number (9996991664310).

Almost surely, 2^{142140204122120} is an apocalyptic number.

142140204122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142140204122120 is an abundant number, since it is smaller than the sum of its proper divisors (177763529135800).

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

142140204122120 is a wasteful number, since it uses less digits than its factorization.

142140204122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980822045 (or 980822041 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 142140204122120 its reverse (21221402041241), we get a palindrome (163361606163361).

It can be divided in two parts, 1421402041221 and 20, that added together give a palindrome (1421402041241).

The spelling of 142140204122120 in words is "one hundred forty-two trillion, one hundred forty billion, two hundred four million, one hundred twenty-two thousand, one hundred twenty".