30221023130000 has 100 divisors (see below), whose sum is σ = 73185282447420. Its totient is φ = 12085573632000.

The previous prime is 30221023129991. The next prime is 30221023130017. The reversal of 30221023130000 is 3132012203.

It can be written as a sum of positive squares in 10 ways, for example, as 10410405498256 + 19810617631744 = 3226516^2 + 4450912^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42537692 + ... + 43242308.

Almost surely, 2^{30221023130000} 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 30221023130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36592641223710).

30221023130000 is an abundant number, since it is smaller than the sum of its proper divisors (42964259317420).

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

30221023130000 is an equidigital number, since it uses as much as digits as its factorization.

30221023130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708934 (or 708913 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30221023130000 its reverse (3132012203), we get a palindrome (30224155142203).

The spelling of 30221023130000 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, one hundred thirty thousand".