212202201 has 4 divisors (see below), whose sum is σ = 282936272. Its totient is φ = 141468132.

The previous prime is 212202191. The next prime is 212202229. The reversal of 212202201 is 102202212.

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 not a de Polignac number, because 212202201 - 2⁵ = 212202169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35367031 + ... + 35367036.

It is an arithmetic number, because the mean of its divisors is an integer number (70734068).

Almost surely, 2^212202201 is an apocalyptic number.

It is an amenable number.

212202201 is a deficient number, since it is larger than the sum of its proper divisors (70734071).

212202201 is an equidigital number, since it uses as much as digits as its factorization.

212202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70734070.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 212202201 is about 14567.1617345315. The cubic root of 212202201 is about 596.4627063488.

Adding to 212202201 its reverse (102202212), we get a palindrome (314404413).

The spelling of 212202201 in words is "two hundred twelve million, two hundred two thousand, two hundred one".