12131321103301 has 4 divisors (see below), whose sum is σ = 12135122836704. Its totient is φ = 12127519369900.

The previous prime is 12131321103271. The next prime is 12131321103313. The reversal of 12131321103301 is 10330112313121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12131321103301 - 2¹⁹ = 12131320579013 is a prime.

It is a super-2 number, since 2×12131321103301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131321103331) 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, 1900861915 + ... + 1900868296.

It is an arithmetic number, because the mean of its divisors is an integer number (3033780709176).

Almost surely, 2^{12131321103301} is an apocalyptic number.

It is an amenable number.

12131321103301 is a deficient number, since it is larger than the sum of its proper divisors (3801733403).

12131321103301 is an equidigital number, since it uses as much as digits as its factorization.

12131321103301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801733402.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12131321103301 its reverse (10330112313121), we get a palindrome (22461433416422).

The spelling of 12131321103301 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred three thousand, three hundred one".