12340125125525 has 6 divisors (see below), whose sum is σ = 15301755155682. Its totient is φ = 9872100100400.

The previous prime is 12340125125501. The next prime is 12340125125593. The reversal of 12340125125525 is 52552152104321.

It can be written as a sum of positive squares in 3 ways, for example, as 3657308183281 + 8682816942244 = 1912409^2 + 2946662^2 .

It is not a de Polignac number, because 12340125125525 - 2¹⁴ = 12340125109141 is a prime.

It is a super-2 number, since 2×12340125125525² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246802502486 + ... + 246802502535.

It is an arithmetic number, because the mean of its divisors is an integer number (2550292525947).

Almost surely, 2^{12340125125525} is an apocalyptic number.

It is an amenable number.

12340125125525 is a deficient number, since it is larger than the sum of its proper divisors (2961630030157).

12340125125525 is an equidigital number, since it uses as much as digits as its factorization.

12340125125525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493605005031 (or 493605005026 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 12340125125525 its reverse (52552152104321), we get a palindrome (64892277229846).

The spelling of 12340125125525 in words is "twelve trillion, three hundred forty billion, one hundred twenty-five million, one hundred twenty-five thousand, five hundred twenty-five".