30020121120 has 192 divisors, whose sum is σ = 103682073600. Its totient is φ = 7240780800.

The previous prime is 30020121101. The next prime is 30020121137. The reversal of 30020121120 is 2112102003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30020121096 and 30020121105.

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, 1036435 + ... + 1065005.

It is an arithmetic number, because the mean of its divisors is an integer number (540010800).

Almost surely, 2^30020121120 is an apocalyptic number.

30020121120 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 30020121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51841036800).

30020121120 is an abundant number, since it is smaller than the sum of its proper divisors (73661952480).

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

30020121120 is a wasteful number, since it uses less digits than its factorization.

30020121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28799 (or 28791 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30020121120 its reverse (2112102003), we get a palindrome (32132223123).

The spelling of 30020121120 in words is "thirty billion, twenty million, one hundred twenty-one thousand, one hundred twenty".