12124853569 has 2 divisors, whose sum is σ = 12124853570. Its totient is φ = 12124853568.

The previous prime is 12124853563. The next prime is 12124853633. The reversal of 12124853569 is 96535842121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12058675344 + 66178225 = 109812^2 + 8135^2 .

It is a cyclic number.

It is not a de Polignac number, because 12124853569 - 2⁵ = 12124853537 is a prime.

It is a super-2 number, since 2×12124853569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12124853563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062426784 + 6062426785.

It is an arithmetic number, because the mean of its divisors is an integer number (6062426785).

Almost surely, 2^12124853569 is an apocalyptic number.

It is an amenable number.

12124853569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124853569 is an equidigital number, since it uses as much as digits as its factorization.

12124853569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 46.

The spelling of 12124853569 in words is "twelve billion, one hundred twenty-four million, eight hundred fifty-three thousand, five hundred sixty-nine".