12131320123313 has 8 divisors (see below), whose sum is σ = 12142602650880. Its totient is φ = 12120038352720.

The previous prime is 12131320123283. The next prime is 12131320123331. The reversal of 12131320123313 is 31332102313121.

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

It is a cyclic number.

It is not a de Polignac number, because 12131320123313 - 2²² = 12131315929009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12131320323313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34890758 + ... + 35236736.

It is an arithmetic number, because the mean of its divisors is an integer number (1517825331360).

Almost surely, 2^{12131320123313} is an apocalyptic number.

It is an amenable number.

12131320123313 is a deficient number, since it is larger than the sum of its proper divisors (11282527567).

12131320123313 is a wasteful number, since it uses less digits than its factorization.

12131320123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378487.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12131320123313 its reverse (31332102313121), we get a palindrome (43463422436434).

The spelling of 12131320123313 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty million, one hundred twenty-three thousand, three hundred thirteen".