30021452000 has 96 divisors (see below), whose sum is σ = 74002953024. Its totient is φ = 11969472000.

The previous prime is 30021451997. The next prime is 30021452009. The reversal of 30021452000 is 25412003.

It is a self number, because there is not a number n which added to its sum of digits gives 30021452000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021452009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1231934 + ... + 1256066.

It is an arithmetic number, because the mean of its divisors is an integer number (770864094).

Almost surely, 2^30021452000 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 30021452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37001476512).

30021452000 is an abundant number, since it is smaller than the sum of its proper divisors (43981501024).

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

30021452000 is a wasteful number, since it uses less digits than its factorization.

30021452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24469 (or 24451 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 30021452000 its reverse (25412003), we get a palindrome (30046864003).

The spelling of 30021452000 in words is "thirty billion, twenty-one million, four hundred fifty-two thousand".