132212209 has 2 divisors, whose sum is σ = 132212210. Its totient is φ = 132212208.

The previous prime is 132212191. The next prime is 132212233. The reversal of 132212209 is 902212231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78145600 + 54066609 = 8840^2 + 7353^2 .

It is an emirp because it is prime and its reverse (902212231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132212209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132212209.

It is not a weakly prime, because it can be changed into another prime (132212299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66106104 + 66106105.

It is an arithmetic number, because the mean of its divisors is an integer number (66106105).

Almost surely, 2^132212209 is an apocalyptic number.

It is an amenable number.

132212209 is a deficient number, since it is larger than the sum of its proper divisors (1).

132212209 is an equidigital number, since it uses as much as digits as its factorization.

132212209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 132212209 is about 11498.3567956469. The cubic root of 132212209 is about 509.4370425338.

Adding to 132212209 its sum of digits (22), we get a palindrome (132212231).

It can be divided in two parts, 1322 and 12209, that added together give a palindrome (13531).

The spelling of 132212209 in words is "one hundred thirty-two million, two hundred twelve thousand, two hundred nine".