5172120200 has 48 divisors (see below), whose sum is σ = 12950199780. Its totient is φ = 1909704960.

The previous prime is 5172120157. The next prime is 5172120203. The reversal of 5172120200 is 20212715.

It can be written as a sum of positive squares in 6 ways, for example, as 501491236 + 4670628964 = 22394^2 + 68342^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (5172120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 992039 + ... + 997238.

Almost surely, 2^5172120200 is an apocalyptic number.

5172120200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5172120200 is an abundant number, since it is smaller than the sum of its proper divisors (7778079580).

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

5172120200 is a wasteful number, since it uses less digits than its factorization.

5172120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989306 (or 1989297 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 5172120200 is about 71917.4540706218. The cubic root of 5172120200 is about 1729.3764333575.

Adding to 5172120200 its reverse (20212715), we get a palindrome (5192332915).

The spelling of 5172120200 in words is "five billion, one hundred seventy-two million, one hundred twenty thousand, two hundred".