30212221022120 has 32 divisors (see below), whose sum is σ = 67981309516800. Its totient is φ = 12084210681408.

The previous prime is 30212221022063. The next prime is 30212221022143. The reversal of 30212221022120 is 2122012221203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30212221022092 and 30212221022101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20456504 + ... + 21883623.

It is an arithmetic number, because the mean of its divisors is an integer number (2124415922400).

Almost surely, 2^{30212221022120} is an apocalyptic number.

It is an amenable number.

30212221022120 is an abundant number, since it is smaller than the sum of its proper divisors (37769088494680).

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

30212221022120 is a wasteful number, since it uses less digits than its factorization.

30212221022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42357977 (or 42357973 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30212221022120 its reverse (2122012221203), we get a palindrome (32334233243323).

The spelling of 30212221022120 in words is "thirty trillion, two hundred twelve billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty".