13023231221122 has 8 divisors (see below), whose sum is σ = 19677436954956. Its totient is φ = 6464085569472.

The previous prime is 13023231221083. The next prime is 13023231221123. The reversal of 13023231221122 is 22112213232031.

It can be written as a sum of positive squares in 2 ways, for example, as 12023133218721 + 1000098002401 = 3467439^2 + 1000049^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13023231221123) 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, 23765020203 + ... + 23765020750.

Almost surely, 2^{13023231221122} is an apocalyptic number.

13023231221122 is a deficient number, since it is larger than the sum of its proper divisors (6654205733834).

13023231221122 is a wasteful number, since it uses less digits than its factorization.

13023231221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47530041092.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13023231221122 its reverse (22112213232031), we get a palindrome (35135444453153).

The spelling of 13023231221122 in words is "thirteen trillion, twenty-three billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred twenty-two".