12131031323330 has 8 divisors (see below), whose sum is σ = 21835856382012. Its totient is φ = 4852412529328.

The previous prime is 12131031323291. The next prime is 12131031323353. The reversal of 12131031323330 is 3332313013121.

It can be written as a sum of positive squares in 2 ways, for example, as 12100038777121 + 30992546209 = 3478511^2 + 176047^2 .

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

It is a super-2 number, since 2×12131031323330² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12131031323330.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 606551566157 + ... + 606551566176.

Almost surely, 2^{12131031323330} is an apocalyptic number.

12131031323330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131031323330 is a deficient number, since it is larger than the sum of its proper divisors (9704825058682).

12131031323330 is a wasteful number, since it uses less digits than its factorization.

12131031323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213103132340.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 12131031323330 its reverse (3332313013121), we get a palindrome (15463344336451).

The spelling of 12131031323330 in words is "twelve trillion, one hundred thirty-one billion, thirty-one million, three hundred twenty-three thousand, three hundred thirty".