4122530500 has 72 divisors (see below), whose sum is σ = 9896671512. Its totient is φ = 1499080000.

The previous prime is 4122530483. The next prime is 4122530509. The reversal of 4122530500 is 50352214.

It can be written as a sum of positive squares in 4 ways, for example, as 1222061764 + 2900468736 = 34958^2 + 53856^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4122530509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26430 + ... + 94570.

It is an arithmetic number, because the mean of its divisors is an integer number (137453771).

Almost surely, 2^4122530500 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 4122530500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4948335756).

4122530500 is an abundant number, since it is smaller than the sum of its proper divisors (5774141012).

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

4122530500 is a wasteful number, since it uses less digits than its factorization.

4122530500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68182 (or 68159 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4122530500 is about 64206.9349836916. The cubic root of 4122530500 is about 1603.4470604632.

Adding to 4122530500 its reverse (50352214), we get a palindrome (4172882714).

The spelling of 4122530500 in words is "four billion, one hundred twenty-two million, five hundred thirty thousand, five hundred".