30003221200 has 60 divisors (see below), whose sum is σ = 72172618380. Its totient is φ = 11986324480.

The previous prime is 30003221191. The next prime is 30003221279. The reversal of 30003221200 is 212230003.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2882401344 + 27120819856 = 53688^2 + 164684^2 .

It is a super-2 number, since 2×30003221200² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 277242 + ... + 369958.

It is an arithmetic number, because the mean of its divisors is an integer number (1202876973).

Almost surely, 2^30003221200 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 30003221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36086309190).

30003221200 is an abundant number, since it is smaller than the sum of its proper divisors (42169397180).

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

30003221200 is a wasteful number, since it uses less digits than its factorization.

30003221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93544 (or 93533 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30003221200 its reverse (212230003), we get a palindrome (30215451203).

The spelling of 30003221200 in words is "thirty billion, three million, two hundred twenty-one thousand, two hundred".