30021121032 has 256 divisors, whose sum is σ = 93477888000. Its totient is φ = 7839424512.

The previous prime is 30021121027. The next prime is 30021121073. The reversal of 30021121032 is 23012112003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18657444 + ... + 18659052.

It is an arithmetic number, because the mean of its divisors is an integer number (365148000).

Almost surely, 2^30021121032 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 30021121032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46738944000).

30021121032 is an abundant number, since it is smaller than the sum of its proper divisors (63456766968).

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

30021121032 is a wasteful number, since it uses less digits than its factorization.

30021121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1824 counting only the distinct ones).

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

Adding to 30021121032 its reverse (23012112003), we get a palindrome (53033233035).

The spelling of 30021121032 in words is "thirty billion, twenty-one million, one hundred twenty-one thousand, thirty-two".