30203222212 has 24 divisors (see below), whose sum is σ = 53255815704. Its totient is φ = 14987334912.

The previous prime is 30203222207. The next prime is 30203222213. The reversal of 30203222212 is 21222230203.

It can be written as a sum of positive squares in 4 ways, for example, as 693479556 + 29509742656 = 26334^2 + 171784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30203222212.

It is not an unprimeable number, because it can be changed into a prime (30203222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3830418 + ... + 3838294.

It is an arithmetic number, because the mean of its divisors is an integer number (2218992321).

Almost surely, 2^30203222212 is an apocalyptic number.

It is an amenable number.

30203222212 is a deficient number, since it is larger than the sum of its proper divisors (23052593492).

30203222212 is a wasteful number, since it uses less digits than its factorization.

30203222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015 (or 15013 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30203222212 its reverse (21222230203), we get a palindrome (51425452415).

The spelling of 30203222212 in words is "thirty billion, two hundred three million, two hundred twenty-two thousand, two hundred twelve".