30221200212 has 144 divisors (see below), whose sum is σ = 83433389760. Its totient is φ = 8487618048.

The previous prime is 30221200201. The next prime is 30221200213. The reversal of 30221200212 is 21200212203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30221200191 and 30221200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221200213) 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 47 ways as a sum of consecutive naturals, for example, 14893614 + ... + 14895642.

It is an arithmetic number, because the mean of its divisors is an integer number (579398540).

Almost surely, 2^30221200212 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 30221200212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41716694880).

30221200212 is an abundant number, since it is smaller than the sum of its proper divisors (53212189548).

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

30221200212 is a wasteful number, since it uses less digits than its factorization.

30221200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470 (or 2461 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30221200212 its reverse (21200212203), we get a palindrome (51421412415).

The spelling of 30221200212 in words is "thirty billion, two hundred twenty-one million, two hundred thousand, two hundred twelve".