132412221 has 12 divisors (see below), whose sum is σ = 191376640. Its totient is φ = 88221960.

The previous prime is 132412213. The next prime is 132412229. The reversal of 132412221 is 122214231.

It is a happy number.

132412221 is a `hidden beast` number, since 1 + 32 + 412 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (132412213) and next prime (132412229).

It is not a de Polignac number, because 132412221 - 2³ = 132412213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132412194 and 132412203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132412229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16866 + ... + 23436.

Almost surely, 2^132412221 is an apocalyptic number.

It is an amenable number.

132412221 is a deficient number, since it is larger than the sum of its proper divisors (58964419).

132412221 is a wasteful number, since it uses less digits than its factorization.

132412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816 (or 8813 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 132412221 is about 11507.0509254109. The cubic root of 132412221 is about 509.6938069779.

Adding to 132412221 its reverse (122214231), we get a palindrome (254626452).

The spelling of 132412221 in words is "one hundred thirty-two million, four hundred twelve thousand, two hundred twenty-one".