2005012239 has 16 divisors (see below), whose sum is σ = 2715379200. Its totient is φ = 1315721120.

The previous prime is 2005012211. The next prime is 2005012253. The reversal of 2005012239 is 9322105002.

It is a cyclic number.

It is not a de Polignac number, because 2005012239 - 2¹² = 2005008143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005012039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130537 + ... + 145085.

It is an arithmetic number, because the mean of its divisors is an integer number (169711200).

Almost surely, 2^2005012239 is an apocalyptic number.

2005012239 is a deficient number, since it is larger than the sum of its proper divisors (710366961).

2005012239 is a wasteful number, since it uses less digits than its factorization.

2005012239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2005012239 is about 44777.3630197224. The cubic root of 2005012239 is about 1260.9726761204.

The spelling of 2005012239 in words is "two billion, five million, twelve thousand, two hundred thirty-nine".