12144844057 has 2 divisors, whose sum is σ = 12144844058. Its totient is φ = 12144844056.

The previous prime is 12144844027. The next prime is 12144844093. The reversal of 12144844057 is 75044844121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8655697296 + 3489146761 = 93036^2 + 59069^2 .

It is a cyclic number.

It is not a de Polignac number, because 12144844057 - 2²³ = 12136455449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12144844027) 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, 6072422028 + 6072422029.

It is an arithmetic number, because the mean of its divisors is an integer number (6072422029).

Almost surely, 2^12144844057 is an apocalyptic number.

It is an amenable number.

12144844057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144844057 is an equidigital number, since it uses as much as digits as its factorization.

12144844057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 12144844057 in words is "twelve billion, one hundred forty-four million, eight hundred forty-four thousand, fifty-seven".