5205042612 has 384 divisors, whose sum is σ = 17650483200. Its totient is φ = 1287014400.

The previous prime is 5205042547. The next prime is 5205042617. The reversal of 5205042612 is 2162405025.

5205042612 is a `hidden beast` number, since 5 + 2 + 0 + 5 + 0 + 42 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205042617) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27251437 + ... + 27251627.

It is an arithmetic number, because the mean of its divisors is an integer number (45964800).

Almost surely, 2^5205042612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5205042612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8825241600).

5205042612 is an abundant number, since it is smaller than the sum of its proper divisors (12445440588).

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

5205042612 is a wasteful number, since it uses less digits than its factorization.

5205042612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5205042612 is about 72145.9812602199. The cubic root of 5205042612 is about 1733.0380435666.

Adding to 5205042612 its reverse (2162405025), we get a palindrome (7367447637).

The spelling of 5205042612 in words is "five billion, two hundred five million, forty-two thousand, six hundred twelve".