30121330300 has 144 divisors (see below), whose sum is σ = 67699666944. Its totient is φ = 11628000000.

The previous prime is 30121330297. The next prime is 30121330321. The reversal of 30121330300 is 303312103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120005175 + ... + 120005425.

It is an arithmetic number, because the mean of its divisors is an integer number (470136576).

Almost surely, 2^30121330300 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 30121330300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33849833472).

30121330300 is an abundant number, since it is smaller than the sum of its proper divisors (37578336644).

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

30121330300 is a wasteful number, since it uses less digits than its factorization.

30121330300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30121330300 its reverse (303312103), we get a palindrome (30424642403).

The spelling of 30121330300 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, three hundred".