4500321012 has 96 divisors (see below), whose sum is σ = 12799113600. Its totient is φ = 1356134400.

The previous prime is 4500320977. The next prime is 4500321043. The reversal of 4500321012 is 2101230054.

4500321012 is a `hidden beast` number, since 450 + 0 + 3 + 210 + 1 + 2 = 666.

It is a super-2 number, since 2×4500321012² = 40505778422097408288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 204564 + ... + 225492.

It is an arithmetic number, because the mean of its divisors is an integer number (133324100).

Almost surely, 2^4500321012 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 4500321012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6399556800).

4500321012 is an abundant number, since it is smaller than the sum of its proper divisors (8298792588).

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

4500321012 is a wasteful number, since it uses less digits than its factorization.

4500321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21134 (or 21126 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4500321012 is about 67084.4319645028. The cubic root of 4500321012 is about 1651.0028812276.

Adding to 4500321012 its reverse (2101230054), we get a palindrome (6601551066).

The spelling of 4500321012 in words is "four billion, five hundred million, three hundred twenty-one thousand, twelve".