212210201 has 16 divisors (see below), whose sum is σ = 257178240. Its totient is φ = 170937600.

The previous prime is 212210171. The next prime is 212210237. The reversal of 212210201 is 102012212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212210201 - 2¹⁸ = 211948057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145526 + ... + 146976.

It is an arithmetic number, because the mean of its divisors is an integer number (16073640).

Almost surely, 2^212210201 is an apocalyptic number.

It is an amenable number.

212210201 is a deficient number, since it is larger than the sum of its proper divisors (44968039).

212210201 is a wasteful number, since it uses less digits than its factorization.

212210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212210201 is about 14567.4363221536. The cubic root of 212210201 is about 596.4702017811.

Adding to 212210201 its reverse (102012212), we get a palindrome (314222413).

The spelling of 212210201 in words is "two hundred twelve million, two hundred ten thousand, two hundred one".