13120231231232 has 18 divisors (see below), whose sum is σ = 26189211559728. Its totient is φ = 6560115615488.

The previous prime is 13120231231231. The next prime is 13120231231343. The reversal of 13120231231232 is 23213213202131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120231231231) 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 as a sum of consecutive naturals, namely, 25625451368 + ... + 25625451879.

Almost surely, 2^{13120231231232} is an apocalyptic number.

It is an amenable number.

13120231231232 is a deficient number, since it is larger than the sum of its proper divisors (13068980328496).

13120231231232 is an frugal number, since it uses more digits than its factorization.

13120231231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51250903263 (or 51250903249 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13120231231232 its reverse (23213213202131), we get a palindrome (36333444433363).

The spelling of 13120231231232 in words is "thirteen trillion, one hundred twenty billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty-two".