30003122120320 has 128 divisors (see below), whose sum is σ = 72625238280000. Its totient is φ = 11850962731008.

The previous prime is 30003122120291. The next prime is 30003122120417. The reversal of 30003122120320 is 2302122130003.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111364336 + ... + 111633424.

Almost surely, 2^{30003122120320} 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 30003122120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36312619140000).

30003122120320 is an abundant number, since it is smaller than the sum of its proper divisors (42622116159680).

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

30003122120320 is a wasteful number, since it uses less digits than its factorization.

30003122120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271290 (or 271278 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30003122120320 its reverse (2302122130003), we get a palindrome (32305244250323).

The spelling of 30003122120320 in words is "thirty trillion, three billion, one hundred twenty-two million, one hundred twenty thousand, three hundred twenty".