12312113213131 has 8 divisors (see below), whose sum is σ = 12748583437200. Its totient is φ = 11876437295520.

The previous prime is 12312113213119. The next prime is 12312113213161. The reversal of 12312113213131 is 13131231121321.

12312113213131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12312113213131 - 2⁷ = 12312113213003 is a prime.

It is a super-2 number, since 2×12312113213131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312113213096 and 12312113213105.

It is not an unprimeable number, because it can be changed into a prime (12312113213161) 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, 198545065 + ... + 198607066.

It is an arithmetic number, because the mean of its divisors is an integer number (1593572929650).

Almost surely, 2^{12312113213131} is an apocalyptic number.

12312113213131 is a deficient number, since it is larger than the sum of its proper divisors (436470224069).

12312113213131 is a wasteful number, since it uses less digits than its factorization.

12312113213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397153229.

The product of its digits is 648, while the sum is 25.

Adding to 12312113213131 its reverse (13131231121321), we get a palindrome (25443344334452).

The spelling of 12312113213131 in words is "twelve trillion, three hundred twelve billion, one hundred thirteen million, two hundred thirteen thousand, one hundred thirty-one".