30303021112 has 256 divisors, whose sum is σ = 75398400000. Its totient is φ = 11085465600.

The previous prime is 30303021083. The next prime is 30303021139. The reversal of 30303021112 is 21112030303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152276389 + ... + 152276587.

It is an arithmetic number, because the mean of its divisors is an integer number (294525000).

Almost surely, 2^30303021112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30303021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37699200000).

30303021112 is an abundant number, since it is smaller than the sum of its proper divisors (45095378888).

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

30303021112 is a wasteful number, since it uses less digits than its factorization.

30303021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30303021112 its reverse (21112030303), we get a palindrome (51415051415).

The spelling of 30303021112 in words is "thirty billion, three hundred three million, twenty-one thousand, one hundred twelve".