30220313220212 has 12 divisors (see below), whose sum is σ = 52955042947716. Its totient is φ = 15090300949440.

The previous prime is 30220313220151. The next prime is 30220313220217. The reversal of 30220313220212 is 21202231302203.

It can be written as a sum of positive squares in 2 ways, for example, as 12253108197136 + 17967205023076 = 3500444^2 + 4238774^2 .

It is a super-2 number, since 2×30220313220212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220313220217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4963911743 + ... + 4963917830.

It is an arithmetic number, because the mean of its divisors is an integer number (4412920245643).

Almost surely, 2^{30220313220212} is an apocalyptic number.

It is an amenable number.

30220313220212 is a deficient number, since it is larger than the sum of its proper divisors (22734729727504).

30220313220212 is a wasteful number, since it uses less digits than its factorization.

30220313220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927830338 (or 9927830336 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30220313220212 its reverse (21202231302203), we get a palindrome (51422544522415).

The spelling of 30220313220212 in words is "thirty trillion, two hundred twenty billion, three hundred thirteen million, two hundred twenty thousand, two hundred twelve".