30001421200 has 30 divisors (see below), whose sum is σ = 72078415394. Its totient is φ = 12000568320.

The previous prime is 30001421179. The next prime is 30001421209. The reversal of 30001421200 is 212410003.

It can be written as a sum of positive squares in 3 ways, for example, as 435306496 + 29566114704 = 20864^2 + 171948^2 .

It is not an unprimeable number, because it can be changed into a prime (30001421209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37501377 + ... + 37502176.

Almost surely, 2^30001421200 is an apocalyptic number.

It is an amenable number.

30001421200 is an abundant number, since it is smaller than the sum of its proper divisors (42076994194).

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

30001421200 is a wasteful number, since it uses less digits than its factorization.

30001421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75003571 (or 75003560 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30001421200 its reverse (212410003), we get a palindrome (30213831203).

The spelling of 30001421200 in words is "thirty billion, one million, four hundred twenty-one thousand, two hundred".