30221563012 has 6 divisors (see below), whose sum is σ = 52887735278. Its totient is φ = 15110781504.

The previous prime is 30221562997. The next prime is 30221563033. The reversal of 30221563012 is 21036512203.

It can be written as a sum of positive squares in only one way, i.e., 23930852416 + 6290710596 = 154696^2 + 79314^2 .

It is a super-3 number, since 3×30221563012³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777695373 + ... + 3777695380.

Almost surely, 2^30221563012 is an apocalyptic number.

It is an amenable number.

30221563012 is a deficient number, since it is larger than the sum of its proper divisors (22666172266).

30221563012 is a wasteful number, since it uses less digits than its factorization.

30221563012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555390757 (or 7555390755 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 30221563012 in words is "thirty billion, two hundred twenty-one million, five hundred sixty-three thousand, twelve".