12162352043489 has 2 divisors, whose sum is σ = 12162352043490. Its totient is φ = 12162352043488.

The previous prime is 12162352043453. The next prime is 12162352043539. The reversal of 12162352043489 is 98434025326121.

12162352043489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12162352043539) can be obtained adding 12162352043489 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7810392805264 + 4351959238225 = 2794708^2 + 2086135^2 .

It is a cyclic number.

It is not a de Polignac number, because 12162352043489 - 2¹⁶ = 12162351977953 is a prime.

It is a super-2 number, since 2×12162352043489² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12162352045489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081176021744 + 6081176021745.

It is an arithmetic number, because the mean of its divisors is an integer number (6081176021745).

Almost surely, 2^{12162352043489} is an apocalyptic number.

It is an amenable number.

12162352043489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162352043489 is an equidigital number, since it uses as much as digits as its factorization.

12162352043489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 12162352043489 in words is "twelve trillion, one hundred sixty-two billion, three hundred fifty-two million, forty-three thousand, four hundred eighty-nine".