30113221200 has 120 divisors (see below), whose sum is σ = 97546881600. Its totient is φ = 7939937280.

The previous prime is 30113221199. The next prime is 30113221211. The reversal of 30113221200 is 212231103.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30113221200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34180 + ... + 247779.

It is an arithmetic number, because the mean of its divisors is an integer number (812890680).

Almost surely, 2^30113221200 is an apocalyptic number.

30113221200 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 30113221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48773440800).

30113221200 is an abundant number, since it is smaller than the sum of its proper divisors (67433660400).

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

30113221200 is a wasteful number, since it uses less digits than its factorization.

30113221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282069 (or 282058 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30113221200 its reverse (212231103), we get a palindrome (30325452303).

The spelling of 30113221200 in words is "thirty billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred".