12124133521523 has 2 divisors, whose sum is σ = 12124133521524. Its totient is φ = 12124133521522.

The previous prime is 12124133521519. The next prime is 12124133521529. The reversal of 12124133521523 is 32512533142121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12124133521523 - 2² = 12124133521519 is a prime.

It is a super-2 number, since 2×12124133521523² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12124133521529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062066760761 + 6062066760762.

It is an arithmetic number, because the mean of its divisors is an integer number (6062066760762).

Almost surely, 2^{12124133521523} is an apocalyptic number.

12124133521523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124133521523 is an equidigital number, since it uses as much as digits as its factorization.

12124133521523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

Adding to 12124133521523 its reverse (32512533142121), we get a palindrome (44636666663644).

The spelling of 12124133521523 in words is "twelve trillion, one hundred twenty-four billion, one hundred thirty-three million, five hundred twenty-one thousand, five hundred twenty-three".