12001013131313 has 4 divisors (see below), whose sum is σ = 12002486198640. Its totient is φ = 11999540063988.

The previous prime is 12001013131297. The next prime is 12001013131379. The reversal of 12001013131313 is 31313131010021.

12001013131313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12001013131313 - 2⁴ = 12001013131297 is a prime.

It is a super-2 number, since 2×12001013131313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001013131813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736521443 + ... + 736537736.

It is an arithmetic number, because the mean of its divisors is an integer number (3000621549660).

Almost surely, 2^{12001013131313} is an apocalyptic number.

It is an amenable number.

12001013131313 is a deficient number, since it is larger than the sum of its proper divisors (1473067327).

12001013131313 is an equidigital number, since it uses as much as digits as its factorization.

12001013131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473067326.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 12001013131313 its reverse (31313131010021), we get a palindrome (43314144141334).

The spelling of 12001013131313 in words is "twelve trillion, one billion, thirteen million, one hundred thirty-one thousand, three hundred thirteen".