212132201 has 4 divisors (see below), whose sum is σ = 217065552. Its totient is φ = 207198852.

The previous prime is 212132189. The next prime is 212132213. The reversal of 212132201 is 102231212.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (212132189) and next prime (212132213).

It is a cyclic number.

It is not a de Polignac number, because 212132201 - 2²⁶ = 145023337 is a prime.

It is a super-2 number, since 2×212132201² = 90000141402208802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212132231) 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, 2466611 + ... + 2466696.

It is an arithmetic number, because the mean of its divisors is an integer number (54266388).

Almost surely, 2^212132201 is an apocalyptic number.

It is an amenable number.

212132201 is a deficient number, since it is larger than the sum of its proper divisors (4933351).

212132201 is an equidigital number, since it uses as much as digits as its factorization.

212132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933350.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212132201 is about 14564.7588720171. The cubic root of 212132201 is about 596.3971132791.

Adding to 212132201 its reverse (102231212), we get a palindrome (314363413).

The spelling of 212132201 in words is "two hundred twelve million, one hundred thirty-two thousand, two hundred one".