21030238283200 has 168 divisors, whose sum is σ = 52696002954240. Its totient is φ = 8258903116800.

The previous prime is 21030238283191. The next prime is 21030238283203. The reversal of 21030238283200 is 238283203012.

It is a super-3 number, since 3×21030238283200³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030238283203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26763109 + ... + 27537691.

Almost surely, 2^{21030238283200} is an apocalyptic number.

21030238283200 is a gapful number since it is divisible by the number (20) 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 21030238283200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26348001477120).

21030238283200 is an abundant number, since it is smaller than the sum of its proper divisors (31665764671040).

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

21030238283200 is a wasteful number, since it uses less digits than its factorization.

21030238283200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774915 (or 774900 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 21030238283200 in words is "twenty-one trillion, thirty billion, two hundred thirty-eight million, two hundred eighty-three thousand, two hundred".