210002120212000 has 96 divisors (see below), whose sum is σ = 528559970977584. Its totient is φ = 81952046848000.

The previous prime is 210002120211953. The next prime is 210002120212039. The reversal of 210002120212000 is 212021200012.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11063845927696 + 198938274284304 = 3326236^2 + 14104548^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640086367 + ... + 640414366.

Almost surely, 2^{210002120212000} is an apocalyptic number.

210002120212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002120212000 is an abundant number, since it is smaller than the sum of its proper divisors (318557850765584).

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

210002120212000 is a wasteful number, since it uses less digits than its factorization.

210002120212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280500799 (or 1280500781 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210002120212000 its reverse (212021200012), we get a palindrome (210214141412012).

The spelling of 210002120212000 in words is "two hundred ten trillion, two billion, one hundred twenty million, two hundred twelve thousand".