200001213 has 24 divisors (see below), whose sum is σ = 296524800. Its totient is φ = 129830400.

The previous prime is 200001211. The next prime is 200001223. The reversal of 200001213 is 312100002.

It is a happy number.

It is not a de Polignac number, because 200001213 - 2¹ = 200001211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200001195 and 200001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173188 + ... + 174338.

It is an arithmetic number, because the mean of its divisors is an integer number (12355200).

Almost surely, 2^200001213 is an apocalyptic number.

It is an amenable number.

200001213 is a deficient number, since it is larger than the sum of its proper divisors (96523587).

200001213 is a wasteful number, since it uses less digits than its factorization.

200001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200001213 is about 14142.1785096922. The cubic root of 200001213 is about 584.8047299180.

Adding to 200001213 its reverse (312100002), we get a palindrome (512101215).

The spelling of 200001213 in words is "two hundred million, one thousand, two hundred thirteen".