200021002120212 has 384 divisors, whose sum is σ = 591025120874496. Its totient is φ = 51233101406208.

The previous prime is 200021002120201. The next prime is 200021002120253. The reversal of 200021002120212 is 212021200120002.

It is a junction number, because it is equal to n+sod(n) for n = 200021002120191 and 200021002120200.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 85224115623 + ... + 85224117969.

It is an arithmetic number, because the mean of its divisors is an integer number (1539127918944).

Almost surely, 2^{200021002120212} 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 200021002120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295512560437248).

200021002120212 is an abundant number, since it is smaller than the sum of its proper divisors (391004118754284).

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

200021002120212 is a wasteful number, since it uses less digits than its factorization.

200021002120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200021002120212 its reverse (212021200120002), we get a palindrome (412042202240214).

The spelling of 200021002120212 in words is "two hundred trillion, twenty-one billion, two million, one hundred twenty thousand, two hundred twelve".