12131314443 has 12 divisors (see below), whose sum is σ = 17586273328. Its totient is φ = 8058344400.

The previous prime is 12131314417. The next prime is 12131314457. The reversal of 12131314443 is 34441313121.

12131314443 is a `hidden beast` number, since 1 + 213 + 1 + 3 + 1 + 4 + 443 = 666.

It is not a de Polignac number, because 12131314443 - 2⁵ = 12131314411 is a prime.

It is a super-2 number, since 2×12131314443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131314493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2430583 + ... + 2435568.

Almost surely, 2^12131314443 is an apocalyptic number.

12131314443 is a deficient number, since it is larger than the sum of its proper divisors (5454958885).

12131314443 is a wasteful number, since it uses less digits than its factorization.

12131314443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866434 (or 4866431 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 12131314443 its reverse (34441313121), we get a palindrome (46572627564).

The spelling of 12131314443 in words is "twelve billion, one hundred thirty-one million, three hundred fourteen thousand, four hundred forty-three".