21200200010212 has 96 divisors (see below), whose sum is σ = 39916997842176. Its totient is φ = 9817114521600.

The previous prime is 21200200010153. The next prime is 21200200010221. The reversal of 21200200010212 is 21201000200212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21200200010192 and 21200200010201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524386743 + ... + 524427169.

It is an arithmetic number, because the mean of its divisors is an integer number (415802060856).

Almost surely, 2^{21200200010212} is an apocalyptic number.

It is an amenable number.

21200200010212 is a deficient number, since it is larger than the sum of its proper divisors (18716797831964).

21200200010212 is a wasteful number, since it uses less digits than its factorization.

21200200010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41077 (or 41075 counting only the distinct ones).

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

Adding to 21200200010212 its reverse (21201000200212), we get a palindrome (42401200210424).

The spelling of 21200200010212 in words is "twenty-one trillion, two hundred billion, two hundred million, ten thousand, two hundred twelve".