5255205012 has 72 divisors (see below), whose sum is σ = 13799927232. Its totient is φ = 1684905600.

The previous prime is 5255204993. The next prime is 5255205013. The reversal of 5255205012 is 2105025525.

5255205012 is a `hidden beast` number, since 52 + 552 + 0 + 50 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255205013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79723 + ... + 129869.

It is an arithmetic number, because the mean of its divisors is an integer number (191665656).

Almost surely, 2^5255205012 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 5255205012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6899963616).

5255205012 is an abundant number, since it is smaller than the sum of its proper divisors (8544722220).

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

5255205012 is a wasteful number, since it uses less digits than its factorization.

5255205012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50269 (or 50264 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 5255205012 is about 72492.7928279770. The cubic root of 5255205012 is about 1738.5875060766.

The spelling of 5255205012 in words is "five billion, two hundred fifty-five million, two hundred five thousand, twelve".