30021320112 has 40 divisors (see below), whose sum is σ = 88634374656. Its totient is φ = 8577519936.

The previous prime is 30021320089. The next prime is 30021320123. The reversal of 30021320112 is 21102312003.

It is a super-2 number, since 2×30021320112² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30021320091 and 30021320100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44674248 + ... + 44674919.

Almost surely, 2^30021320112 is an apocalyptic number.

It is an amenable number.

30021320112 is an abundant number, since it is smaller than the sum of its proper divisors (58613054544).

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

30021320112 is a wasteful number, since it uses less digits than its factorization.

30021320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89349185 (or 89349179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30021320112 its reverse (21102312003), we get a palindrome (51123632115).

The spelling of 30021320112 in words is "thirty billion, twenty-one million, three hundred twenty thousand, one hundred twelve".