30223152120 has 128 divisors (see below), whose sum is σ = 103708800000. Its totient is φ = 6902378496.

The previous prime is 30223152119. The next prime is 30223152133. The reversal of 30223152120 is 2125132203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1034757 + ... + 1063563.

It is an arithmetic number, because the mean of its divisors is an integer number (810225000).

Almost surely, 2^30223152120 is an apocalyptic number.

30223152120 is a gapful number since it is divisible by the number (30) 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 30223152120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51854400000).

30223152120 is an abundant number, since it is smaller than the sum of its proper divisors (73485647880).

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

30223152120 is a wasteful number, since it uses less digits than its factorization.

30223152120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30077 (or 30073 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30223152120 its reverse (2125132203), we get a palindrome (32348284323).

The spelling of 30223152120 in words is "thirty billion, two hundred twenty-three million, one hundred fifty-two thousand, one hundred twenty".