30221311012 has 12 divisors (see below), whose sum is σ = 55186742016. Its totient is φ = 14453670440.

The previous prime is 30221310997. The next prime is 30221311037. The reversal of 30221311012 is 21011312203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164246164 + ... + 164246347.

It is an arithmetic number, because the mean of its divisors is an integer number (4598895168).

Almost surely, 2^30221311012 is an apocalyptic number.

It is an amenable number.

30221311012 is a deficient number, since it is larger than the sum of its proper divisors (24965431004).

30221311012 is a wasteful number, since it uses less digits than its factorization.

30221311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328492538 (or 328492536 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30221311012 its reverse (21011312203), we get a palindrome (51232623215).

The spelling of 30221311012 in words is "thirty billion, two hundred twenty-one million, three hundred eleven thousand, twelve".