2040013012 has 24 divisors (see below), whose sum is σ = 3595755240. Its totient is φ = 1012677120.

The previous prime is 2040013007. The next prime is 2040013061. The reversal of 2040013012 is 2103100402.

It can be written as a sum of positive squares in 4 ways, for example, as 376515216 + 1663497796 = 19404^2 + 40786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2040012983 and 2040013001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408064 + ... + 413032.

It is an arithmetic number, because the mean of its divisors is an integer number (149823135).

Almost surely, 2^2040013012 is an apocalyptic number.

It is an amenable number.

2040013012 is a deficient number, since it is larger than the sum of its proper divisors (1555742228).

2040013012 is a wasteful number, since it uses less digits than its factorization.

2040013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691 (or 5689 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2040013012 is about 45166.5032075763. The cubic root of 2040013012 is about 1268.2678375853.

Adding to 2040013012 its reverse (2103100402), we get a palindrome (4143113414).

The spelling of 2040013012 in words is "two billion, forty million, thirteen thousand, twelve".