232132130221 has 4 divisors (see below), whose sum is σ = 233128405692. Its totient is φ = 231135854752.

The previous prime is 232132130201. The next prime is 232132130231. The reversal of 232132130221 is 122031231232.

232132130221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127713316900 + 104418813321 = 357370^2 + 323139^2 .

It is a cyclic number.

It is not a de Polignac number, because 232132130221 - 2¹³ = 232132122029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232132130192 and 232132130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232132130201) 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 3 ways as a sum of consecutive naturals, for example, 498137386 + ... + 498137851.

It is an arithmetic number, because the mean of its divisors is an integer number (58282101423).

Almost surely, 2^232132130221 is an apocalyptic number.

It is an amenable number.

232132130221 is a deficient number, since it is larger than the sum of its proper divisors (996275471).

232132130221 is an equidigital number, since it uses as much as digits as its factorization.

232132130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996275470.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 232132130221 its reverse (122031231232), we get a palindrome (354163361453).

The spelling of 232132130221 in words is "two hundred thirty-two billion, one hundred thirty-two million, one hundred thirty thousand, two hundred twenty-one".