12131303334433 has 2 divisors, whose sum is σ = 12131303334434. Its totient is φ = 12131303334432.

The previous prime is 12131303334341. The next prime is 12131303334487. The reversal of 12131303334433 is 33443330313121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8615352076864 + 3515951257569 = 2935192^2 + 1875087^2 .

It is a cyclic number.

It is not a de Polignac number, because 12131303334433 - 2¹⁷ = 12131303203361 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131303334233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065651667216 + 6065651667217.

It is an arithmetic number, because the mean of its divisors is an integer number (6065651667217).

Almost surely, 2^{12131303334433} is an apocalyptic number.

It is an amenable number.

12131303334433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131303334433 is an equidigital number, since it uses as much as digits as its factorization.

12131303334433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 34.

Adding to 12131303334433 its reverse (33443330313121), we get a palindrome (45574633647554).

The spelling of 12131303334433 in words is "twelve trillion, one hundred thirty-one billion, three hundred three million, three hundred thirty-four thousand, four hundred thirty-three".