132404221221 has 8 divisors (see below), whose sum is σ = 177929032704. Its totient is φ = 87574445280.

The previous prime is 132404221189. The next prime is 132404221283. The reversal of 132404221221 is 122122404231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132404221221 - 2⁵ = 132404221189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132404221191 and 132404221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132404221321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173758440 + ... + 173759201.

It is an arithmetic number, because the mean of its divisors is an integer number (22241129088).

Almost surely, 2^132404221221 is an apocalyptic number.

It is an amenable number.

132404221221 is a deficient number, since it is larger than the sum of its proper divisors (45524811483).

132404221221 is a wasteful number, since it uses less digits than its factorization.

132404221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347517771.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 132404221221 its reverse (122122404231), we get a palindrome (254526625452).

The spelling of 132404221221 in words is "one hundred thirty-two billion, four hundred four million, two hundred twenty-one thousand, two hundred twenty-one".