2005131502012 has 18 divisors (see below), whose sum is σ = 3703383462408. Its totient is φ = 949799131848.

The previous prime is 2005131502007. The next prime is 2005131502013. The reversal of 2005131502012 is 2102051315002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005131502013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694296168 + ... + 694299055.

Almost surely, 2^{2005131502012} is an apocalyptic number.

It is an amenable number.

2005131502012 is a deficient number, since it is larger than the sum of its proper divisors (1698251960396).

2005131502012 is a wasteful number, since it uses less digits than its factorization.

2005131502012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388595265 (or 1388595244 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 2005131502012 its reverse (2102051315002), we get a palindrome (4107182817014).

The spelling of 2005131502012 in words is "two trillion, five billion, one hundred thirty-one million, five hundred two thousand, twelve".