12144121039 has 2 divisors, whose sum is σ = 12144121040. Its totient is φ = 12144121038.

The previous prime is 12144121021. The next prime is 12144121057. The reversal of 12144121039 is 93012144121.

It is a balanced prime because it is at equal distance from previous prime (12144121021) and next prime (12144121057).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12144121039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12144120998 and 12144121016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144131039) 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, 6072060519 + 6072060520.

It is an arithmetic number, because the mean of its divisors is an integer number (6072060520).

Almost surely, 2^12144121039 is an apocalyptic number.

12144121039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144121039 is an equidigital number, since it uses as much as digits as its factorization.

12144121039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12144121039 in words is "twelve billion, one hundred forty-four million, one hundred twenty-one thousand, thirty-nine".