210300021030000 has 400 divisors, whose sum is σ = 741649849978752. Its totient is φ = 50909040000000.

The previous prime is 210300021029971. The next prime is 210300021030019. The reversal of 210300021030000 is 30120003012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-3 number, since 3×210300021030000³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 230875455 + ... + 231784545.

Almost surely, 2^{210300021030000} is an apocalyptic number.

210300021030000 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 210300021030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370824924989376).

210300021030000 is an abundant number, since it is smaller than the sum of its proper divisors (531349828948752).

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

210300021030000 is a wasteful number, since it uses less digits than its factorization.

210300021030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909834 (or 909813 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 210300021030000 its reverse (30120003012), we get a palindrome (210330141033012).

The spelling of 210300021030000 in words is "two hundred ten trillion, three hundred billion, twenty-one million, thirty thousand".