2012634565 has 24 divisors (see below), whose sum is σ = 2608344288. Its totient is φ = 1489834080.

The previous prime is 2012634563. The next prime is 2012634593. The reversal of 2012634565 is 5654362102.

It is not a de Polignac number, because 2012634565 - 2¹ = 2012634563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012634565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012634563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64650 + ... + 90580.

It is an arithmetic number, because the mean of its divisors is an integer number (108681012).

Almost surely, 2^2012634565 is an apocalyptic number.

It is an amenable number.

2012634565 is a deficient number, since it is larger than the sum of its proper divisors (595709723).

2012634565 is a wasteful number, since it uses less digits than its factorization.

2012634565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017 (or 25998 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2012634565 is about 44862.3958900993. The cubic root of 2012634565 is about 1262.5685750419.

Adding to 2012634565 its reverse (5654362102), we get a palindrome (7666996667).

The spelling of 2012634565 in words is "two billion, twelve million, six hundred thirty-four thousand, five hundred sixty-five".