212002000200221 has 32 divisors (see below), whose sum is σ = 266338665077760. Its totient is φ = 163931126486400.

The previous prime is 212002000200191. The next prime is 212002000200239. The reversal of 212002000200221 is 122002000200212.

It is not a de Polignac number, because 212002000200221 - 2⁶ = 212002000200157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212002000200196 and 212002000200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002000200251) 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 31 ways as a sum of consecutive naturals, for example, 427531790 + ... + 428027376.

It is an arithmetic number, because the mean of its divisors is an integer number (8323083283680).

Almost surely, 2^{212002000200221} is an apocalyptic number.

It is an amenable number.

212002000200221 is a deficient number, since it is larger than the sum of its proper divisors (54336664877539).

212002000200221 is a wasteful number, since it uses less digits than its factorization.

212002000200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538145.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212002000200221 its reverse (122002000200212), we get a palindrome (334004000400433).

Subtracting from 212002000200221 its reverse (122002000200212), we obtain a palindrome (90000000000009).

The spelling of 212002000200221 in words is "two hundred twelve trillion, two billion, two hundred thousand, two hundred twenty-one".