30021122232 has 256 divisors, whose sum is σ = 88531660800. Its totient is φ = 9407249280.

The previous prime is 30021122227. The next prime is 30021122267. The reversal of 30021122232 is 23222112003.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 106081563 + ... + 106081845.

It is an arithmetic number, because the mean of its divisors is an integer number (345826800).

Almost surely, 2^30021122232 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 30021122232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44265830400).

30021122232 is an abundant number, since it is smaller than the sum of its proper divisors (58510538568).

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

30021122232 is a wasteful number, since it uses less digits than its factorization.

30021122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30021122232 its reverse (23222112003), we get a palindrome (53243234235).

The spelling of 30021122232 in words is "thirty billion, twenty-one million, one hundred twenty-two thousand, two hundred thirty-two".