142140344444212 has 18 divisors (see below), whose sum is σ = 251232815032934. Its totient is φ = 70366507130400.

The previous prime is 142140344444207. The next prime is 142140344444213. The reversal of 142140344444212 is 212444443041241.

It can be written as a sum of positive squares in 3 ways, for example, as 119309875484836 + 22830468959376 = 10922906^2 + 4778124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142140344444213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1741704423 + ... + 1741786030.

Almost surely, 2^{142140344444212} is an apocalyptic number.

It is an amenable number.

142140344444212 is a deficient number, since it is larger than the sum of its proper divisors (109092470588722).

142140344444212 is a wasteful number, since it uses less digits than its factorization.

142140344444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483490659 (or 3483490556 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 40.

Adding to 142140344444212 its reverse (212444443041241), we get a palindrome (354584787485453).

The spelling of 142140344444212 in words is "one hundred forty-two trillion, one hundred forty billion, three hundred forty-four million, four hundred forty-four thousand, two hundred twelve".