212005201 has 4 divisors (see below), whose sum is σ = 212511600. Its totient is φ = 211498804.

The previous prime is 212005193. The next prime is 212005217. The reversal of 212005201 is 102500212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212005201 - 2³ = 212005193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212005271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252571 + ... + 253408.

It is an arithmetic number, because the mean of its divisors is an integer number (53127900).

Almost surely, 2^212005201 is an apocalyptic number.

It is an amenable number.

212005201 is a deficient number, since it is larger than the sum of its proper divisors (506399).

212005201 is an equidigital number, since it uses as much as digits as its factorization.

212005201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506398.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 212005201 is about 14560.3983805389. The cubic root of 212005201 is about 596.2780718617.

Adding to 212005201 its reverse (102500212), we get a palindrome (314505413).

The spelling of 212005201 in words is "two hundred twelve million, five thousand, two hundred one".