13231301132122 has 4 divisors (see below), whose sum is σ = 19846951698186. Its totient is φ = 6615650566060.

The previous prime is 13231301132099. The next prime is 13231301132149. The reversal of 13231301132122 is 22123110313231.

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

It can be written as a sum of positive squares in only one way, i.e., 6789354598321 + 6441946533801 = 2605639^2 + 2538099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307825283029 + ... + 3307825283032.

Almost surely, 2^{13231301132122} is an apocalyptic number.

13231301132122 is a deficient number, since it is larger than the sum of its proper divisors (6615650566064).

13231301132122 is an equidigital number, since it uses as much as digits as its factorization.

13231301132122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615650566063.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13231301132122 its reverse (22123110313231), we get a palindrome (35354411445353).

The spelling of 13231301132122 in words is "thirteen trillion, two hundred thirty-one billion, three hundred one million, one hundred thirty-two thousand, one hundred twenty-two".