2142040012 has 48 divisors (see below), whose sum is σ = 4614480640. Its totient is φ = 849465792.

The previous prime is 2142040009. The next prime is 2142040063. The reversal of 2142040012 is 2100402412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23943 + ... + 69694.

Almost surely, 2^2142040012 is an apocalyptic number.

It is an amenable number.

2142040012 is an abundant number, since it is smaller than the sum of its proper divisors (2472440628).

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

2142040012 is a wasteful number, since it uses less digits than its factorization.

2142040012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93710 (or 93708 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2142040012 is about 46282.1781250624. The cubic root of 2142040012 is about 1289.0680952510.

Adding to 2142040012 its reverse (2100402412), we get a palindrome (4242442424).

The spelling of 2142040012 in words is "two billion, one hundred forty-two million, forty thousand, twelve".