132010131221 has 4 divisors (see below), whose sum is σ = 132011003244. Its totient is φ = 132009259200.

The previous prime is 132010131173. The next prime is 132010131223. The reversal of 132010131221 is 122131010231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 122131010231 = 1021 ⋅119619011.

It can be written as a sum of positive squares in 2 ways, for example, as 65180643025 + 66829488196 = 255305^2 + 258514^2 .

It is a cyclic number.

It is not a de Polignac number, because 132010131221 - 2⁶ = 132010131157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132010131221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132010131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143540 + ... + 533501.

It is an arithmetic number, because the mean of its divisors is an integer number (33002750811).

Almost surely, 2^132010131221 is an apocalyptic number.

It is an amenable number.

132010131221 is a deficient number, since it is larger than the sum of its proper divisors (872023).

132010131221 is an equidigital number, since it uses as much as digits as its factorization.

132010131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872022.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 132010131221 its reverse (122131010231), we get a palindrome (254141141452).

The spelling of 132010131221 in words is "one hundred thirty-two billion, ten million, one hundred thirty-one thousand, two hundred twenty-one".