30221231020212 has 48 divisors (see below), whose sum is σ = 70931087240832. Its totient is φ = 10014611927040.

The previous prime is 30221231020207. The next prime is 30221231020271. The reversal of 30221231020212 is 21202013212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6800493 + ... + 10329044.

It is an arithmetic number, because the mean of its divisors is an integer number (1477730984184).

Almost surely, 2^{30221231020212} is an apocalyptic number.

It is an amenable number.

30221231020212 is an abundant number, since it is smaller than the sum of its proper divisors (40709856220620).

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

30221231020212 is a wasteful number, since it uses less digits than its factorization.

30221231020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17130408 (or 17130406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30221231020212 its reverse (21202013212203), we get a palindrome (51423244232415).

The spelling of 30221231020212 in words is "thirty trillion, two hundred twenty-one billion, two hundred thirty-one million, twenty thousand, two hundred twelve".