210021210112000 has 240 divisors, whose sum is σ = 599082261156288. Its totient is φ = 72007267123200.

The previous prime is 210021210111961. The next prime is 210021210112003. The reversal of 210021210112000 is 211012120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021210112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7011042 + ... + 21660958.

Almost surely, 2^{210021210112000} is an apocalyptic number.

210021210112000 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 210021210112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299541130578144).

210021210112000 is an abundant number, since it is smaller than the sum of its proper divisors (389061051044288).

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

210021210112000 is an frugal number, since it uses more digits than its factorization.

210021210112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649967 (or 14649931 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210021210112000 its reverse (211012120012), we get a palindrome (210232222232012).

The spelling of 210021210112000 in words is "two hundred ten trillion, twenty-one billion, two hundred ten million, one hundred twelve thousand".