30232021120 has 128 divisors (see below), whose sum is σ = 82790087040. Its totient is φ = 10341187584.

The previous prime is 30232021109. The next prime is 30232021139. The reversal of 30232021120 is 2112023203.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30232021094 and 30232021103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977024 + ... + 1992256.

It is an arithmetic number, because the mean of its divisors is an integer number (646797555).

Almost surely, 2^30232021120 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 30232021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41395043520).

30232021120 is an abundant number, since it is smaller than the sum of its proper divisors (52558065920).

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

30232021120 is a wasteful number, since it uses less digits than its factorization.

30232021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15702 (or 15690 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30232021120 its reverse (2112023203), we get a palindrome (32344044323).

The spelling of 30232021120 in words is "thirty billion, two hundred thirty-two million, twenty-one thousand, one hundred twenty".