30221320021012 has 48 divisors (see below), whose sum is σ = 54131074905600. Its totient is φ = 14758868810880.

The previous prime is 30221320020973. The next prime is 30221320021043. The reversal of 30221320021012 is 21012002312203.

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, 26223562 + ... + 27351742.

It is an arithmetic number, because the mean of its divisors is an integer number (1127730727200).

Almost surely, 2^{30221320021012} is an apocalyptic number.

It is an amenable number.

30221320021012 is a deficient number, since it is larger than the sum of its proper divisors (23909754884588).

30221320021012 is a wasteful number, since it uses less digits than its factorization.

30221320021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128976 (or 1128974 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30221320021012 its reverse (21012002312203), we get a palindrome (51233322333215).

The spelling of 30221320021012 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty million, twenty-one thousand, twelve".