132220332421 has 8 divisors (see below), whose sum is σ = 140001188184. Its totient is φ = 124439831040.

The previous prime is 132220332379. The next prime is 132220332427. The reversal of 132220332421 is 124233022231.

It can be written as a sum of positive squares in 4 ways, for example, as 62643081796 + 69577250625 = 250286^2 + 263775^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 132220332421 - 2³³ = 123630397829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132220332427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315281 + ... + 1412233.

It is an arithmetic number, because the mean of its divisors is an integer number (17500148523).

Almost surely, 2^132220332421 is an apocalyptic number.

It is an amenable number.

132220332421 is a deficient number, since it is larger than the sum of its proper divisors (7780855763).

132220332421 is an equidigital number, since it uses as much as digits as its factorization.

132220332421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177191.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 132220332421 its reverse (124233022231), we get a palindrome (256453354652).

The spelling of 132220332421 in words is "one hundred thirty-two billion, two hundred twenty million, three hundred thirty-two thousand, four hundred twenty-one".