30120223330100 has 144 divisors (see below), whose sum is σ = 66357743332608. Its totient is φ = 11865860751360.

The previous prime is 30120223330027. The next prime is 30120223330117. The reversal of 30120223330100 is 103332202103.

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

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, 1272870869 + ... + 1272894531.

It is an arithmetic number, because the mean of its divisors is an integer number (460817662032).

Almost surely, 2^{30120223330100} 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 30120223330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33178871666304).

30120223330100 is an abundant number, since it is smaller than the sum of its proper divisors (36237520002508).

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

30120223330100 is a wasteful number, since it uses less digits than its factorization.

30120223330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24474 (or 24467 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30120223330100 its reverse (103332202103), we get a palindrome (30223555532203).

The spelling of 30120223330100 in words is "thirty trillion, one hundred twenty billion, two hundred twenty-three million, three hundred thirty thousand, one hundred".