12131200489 has 2 divisors, whose sum is σ = 12131200490. Its totient is φ = 12131200488.

The previous prime is 12131200483. The next prime is 12131200559. The reversal of 12131200489 is 98400213121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12035845264 + 95355225 = 109708^2 + 9765^2 .

It is a cyclic number.

It is not a de Polignac number, because 12131200489 - 2¹¹ = 12131198441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12131200489.

It is not a weakly prime, because it can be changed into another prime (12131200483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065600244 + 6065600245.

It is an arithmetic number, because the mean of its divisors is an integer number (6065600245).

Almost surely, 2^12131200489 is an apocalyptic number.

It is an amenable number.

12131200489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131200489 is an equidigital number, since it uses as much as digits as its factorization.

12131200489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12131200489 in words is "twelve billion, one hundred thirty-one million, two hundred thousand, four hundred eighty-nine".