13120221243241 has 8 divisors (see below), whose sum is σ = 15300549555200. Its totient is φ = 11245903922484.

The previous prime is 13120221243229. The next prime is 13120221243251. The reversal of 13120221243241 is 14234212202131.

It is not a de Polignac number, because 13120221243241 - 2⁵ = 13120221243209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120221243251) 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 7 ways as a sum of consecutive naturals, for example, 19125686601 + ... + 19125687286.

It is an arithmetic number, because the mean of its divisors is an integer number (1912568694400).

Almost surely, 2^{13120221243241} is an apocalyptic number.

It is an amenable number.

13120221243241 is a deficient number, since it is larger than the sum of its proper divisors (2180328311959).

13120221243241 is an frugal number, since it uses more digits than its factorization.

13120221243241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38251373908 (or 38251373894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13120221243241 its reverse (14234212202131), we get a palindrome (27354433445372).

The spelling of 13120221243241 in words is "thirteen trillion, one hundred twenty billion, two hundred twenty-one million, two hundred forty-three thousand, two hundred forty-one".