30220112120 has 128 divisors (see below), whose sum is σ = 74949831360. Its totient is φ = 10875125760.

The previous prime is 30220112113. The next prime is 30220112129. The reversal of 30220112120 is 2121102203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30220112095 and 30220112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220112129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27547412 + ... + 27548508.

Almost surely, 2^30220112120 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 30220112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37474915680).

30220112120 is an abundant number, since it is smaller than the sum of its proper divisors (44729719240).

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

30220112120 is a wasteful number, since it uses less digits than its factorization.

30220112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30220112120 its reverse (2121102203), we get a palindrome (32341214323).

The spelling of 30220112120 in words is "thirty billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty".