12125775017 has 16 divisors (see below), whose sum is σ = 12911078400. Its totient is φ = 11369816640.

The previous prime is 12125774993. The next prime is 12125775037. The reversal of 12125775017 is 71057752121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12125775017 - 2¹⁸ = 12125512873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12125775037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96368 + ... + 183134.

It is an arithmetic number, because the mean of its divisors is an integer number (806942400).

Almost surely, 2^12125775017 is an apocalyptic number.

It is an amenable number.

12125775017 is a deficient number, since it is larger than the sum of its proper divisors (785303383).

12125775017 is an equidigital number, since it uses as much as digits as its factorization.

12125775017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86936.

The product of its (nonzero) digits is 34300, while the sum is 38.

The spelling of 12125775017 in words is "twelve billion, one hundred twenty-five million, seven hundred seventy-five thousand, seventeen".