2142140434120 has 32 divisors (see below), whose sum is σ = 4910755905720. Its totient is φ = 840689075200.

The previous prime is 2142140434111. The next prime is 2142140434121. The reversal of 2142140434120 is 214340412412.

It can be written as a sum of positive squares in 4 ways, for example, as 1751212875556 + 390927558564 = 1323334^2 + 625242^2 .

It is not an unprimeable number, because it can be changed into a prime (2142140434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505219681 + ... + 505223920.

Almost surely, 2^{2142140434120} is an apocalyptic number.

2142140434120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142140434120 is an abundant number, since it is smaller than the sum of its proper divisors (2768615471600).

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

2142140434120 is a wasteful number, since it uses less digits than its factorization.

2142140434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010443665 (or 1010443661 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2142140434120 its reverse (214340412412), we get a palindrome (2356480846532).

The spelling of 2142140434120 in words is "two trillion, one hundred forty-two billion, one hundred forty million, four hundred thirty-four thousand, one hundred twenty".