132164012221 has 2 divisors, whose sum is σ = 132164012222. Its totient is φ = 132164012220.

The previous prime is 132164012219. The next prime is 132164012273. The reversal of 132164012221 is 122210461231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132150425625 + 13586596 = 363525^2 + 3686^2 .

It is a cyclic number.

It is not a de Polignac number, because 132164012221 - 2¹ = 132164012219 is a prime.

It is a super-2 number, since 2×132164012221² (a number of 23 digits) contains 22 as substring.

Together with 132164012219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132164012621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66082006110 + 66082006111.

It is an arithmetic number, because the mean of its divisors is an integer number (66082006111).

Almost surely, 2^132164012221 is an apocalyptic number.

It is an amenable number.

132164012221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132164012221 is an equidigital number, since it uses as much as digits as its factorization.

132164012221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 132164012221 its reverse (122210461231), we get a palindrome (254374473452).

The spelling of 132164012221 in words is "one hundred thirty-two billion, one hundred sixty-four million, twelve thousand, two hundred twenty-one".