2140043012 has 12 divisors (see below), whose sum is σ = 3756190620. Its totient is φ = 1066845696.

The previous prime is 2140042991. The next prime is 2140043039. The reversal of 2140043012 is 2103400412.

It can be written as a sum of positive squares in 2 ways, for example, as 1454964736 + 685078276 = 38144^2 + 26174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792437 + ... + 795132.

It is an arithmetic number, because the mean of its divisors is an integer number (313015885).

Almost surely, 2^2140043012 is an apocalyptic number.

It is an amenable number.

2140043012 is a deficient number, since it is larger than the sum of its proper divisors (1616147608).

2140043012 is a wasteful number, since it uses less digits than its factorization.

2140043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587910 (or 1587908 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2140043012 is about 46260.5989152756. The cubic root of 2140043012 is about 1288.6673760964.

Adding to 2140043012 its reverse (2103400412), we get a palindrome (4243443424).

The spelling of 2140043012 in words is "two billion, one hundred forty million, forty-three thousand, twelve".