5252212100 has 36 divisors (see below), whose sum is σ = 11510166948. Its totient is φ = 2080080000.

The previous prime is 5252212099. The next prime is 5252212157. The reversal of 5252212100 is 12122525.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 210076036 + 5042136064 = 14494^2 + 71008^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249911 + ... + 270110.

Almost surely, 2^5252212100 is an apocalyptic number.

5252212100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5252212100 is an abundant number, since it is smaller than the sum of its proper divisors (6257954848).

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

5252212100 is a wasteful number, since it uses less digits than its factorization.

5252212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520136 (or 520129 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5252212100 is about 72472.1470635444. The cubic root of 5252212100 is about 1738.2573935170.

Adding to 5252212100 its reverse (12122525), we get a palindrome (5264334625).

The spelling of 5252212100 in words is "five billion, two hundred fifty-two million, two hundred twelve thousand, one hundred".