30021386112 has 192 divisors, whose sum is σ = 88720220160. Its totient is φ = 9739576320.

The previous prime is 30021386077. The next prime is 30021386123. The reversal of 30021386112 is 21168312003.

It is a happy number.

30021386112 is a `hidden beast` number, since 30 + 0 + 2 + 13 + 8 + 611 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10340053 + ... + 10342955.

It is an arithmetic number, because the mean of its divisors is an integer number (462084480).

Almost surely, 2^30021386112 is an apocalyptic number.

30021386112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30021386112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44360110080).

30021386112 is an abundant number, since it is smaller than the sum of its proper divisors (58698834048).

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

30021386112 is a wasteful number, since it uses less digits than its factorization.

30021386112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3146 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 30021386112 its reverse (21168312003), we get a palindrome (51189698115).

The spelling of 30021386112 in words is "thirty billion, twenty-one million, three hundred eighty-six thousand, one hundred twelve".