30021120000 has 390 divisors, whose sum is σ = 108444842792. Its totient is φ = 7999488000.

The previous prime is 30021119963. The next prime is 30021120011. The reversal of 30021120000 is 2112003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 23039349 + ... + 23040651.

Almost surely, 2^30021120000 is an apocalyptic number.

30021120000 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 30021120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54222421396).

30021120000 is an abundant number, since it is smaller than the sum of its proper divisors (78423722792).

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

30021120000 is an equidigital number, since it uses as much as digits as its factorization.

30021120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 30021120000 its reverse (2112003), we get a palindrome (30023232003).

The spelling of 30021120000 in words is "thirty billion, twenty-one million, one hundred twenty thousand".