13323121322122 has 4 divisors (see below), whose sum is σ = 19984681983186. Its totient is φ = 6661560661060.

The previous prime is 13323121322023. The next prime is 13323121322123. The reversal of 13323121322122 is 22122312132331.

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., 7301393047881 + 6021728274241 = 2702109^2 + 2453921^2 .

It is not an unprimeable number, because it can be changed into a prime (13323121322123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330780330529 + ... + 3330780330532.

Almost surely, 2^{13323121322122} is an apocalyptic number.

13323121322122 is a deficient number, since it is larger than the sum of its proper divisors (6661560661064).

13323121322122 is an equidigital number, since it uses as much as digits as its factorization.

13323121322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661560661063.

The product of its digits is 5184, while the sum is 28.

Adding to 13323121322122 its reverse (22122312132331), we get a palindrome (35445433454453).

The spelling of 13323121322122 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-two".