12131303304134 has 48 divisors (see below), whose sum is σ = 21951587893536. Its totient is φ = 4924839398400.

The previous prime is 12131303304091. The next prime is 12131303304137. The reversal of 12131303304134 is 43140330313121.

It is a junction number, because it is equal to n+sod(n) for n = 12131303304097 and 12131303304106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131303304137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38967974 + ... + 39278054.

It is an arithmetic number, because the mean of its divisors is an integer number (457324747782).

Almost surely, 2^{12131303304134} is an apocalyptic number.

12131303304134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12131303304134 is a deficient number, since it is larger than the sum of its proper divisors (9820284589402).

12131303304134 is a wasteful number, since it uses less digits than its factorization.

12131303304134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317869 (or 317850 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 12131303304134 its reverse (43140330313121), we get a palindrome (55271633617255).

The spelling of 12131303304134 in words is "twelve trillion, one hundred thirty-one billion, three hundred three million, three hundred four thousand, one hundred thirty-four".