5205012612 has 12 divisors (see below), whose sum is σ = 12145029456. Its totient is φ = 1735004200.

The previous prime is 5205012599. The next prime is 5205012619. The reversal of 5205012612 is 2162105025.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5205012619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216875514 + ... + 216875537.

It is an arithmetic number, because the mean of its divisors is an integer number (1012085788).

Almost surely, 2^5205012612 is an apocalyptic number.

It is an amenable number.

5205012612 is an abundant number, since it is smaller than the sum of its proper divisors (6940016844).

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

5205012612 is a wasteful number, since it uses less digits than its factorization.

5205012612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433751058 (or 433751056 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5205012612 is about 72145.7733481318. The cubic root of 5205012612 is about 1733.0347140235.

Adding to 5205012612 its reverse (2162105025), we get a palindrome (7367117637).

The spelling of 5205012612 in words is "five billion, two hundred five million, twelve thousand, six hundred twelve".