30020103112120 has 384 divisors, whose sum is σ = 83936983173120. Its totient is φ = 9598979174400.

The previous prime is 30020103112117. The next prime is 30020103112147. The reversal of 30020103112120 is 2121130102003.

It is a junction number, because it is equal to n+sod(n) for n = 30020103112094 and 30020103112103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81190465 + ... + 81559375.

It is an arithmetic number, because the mean of its divisors is an integer number (218585893680).

Almost surely, 2^{30020103112120} 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 30020103112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41968491586560).

30020103112120 is an abundant number, since it is smaller than the sum of its proper divisors (53916880061000).

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

30020103112120 is a wasteful number, since it uses less digits than its factorization.

30020103112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369027 (or 369012 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30020103112120 its reverse (2121130102003), we get a palindrome (32141233214123).

The spelling of 30020103112120 in words is "thirty trillion, twenty billion, one hundred three million, one hundred twelve thousand, one hundred twenty".