12420200125325 has 12 divisors (see below), whose sum is σ = 15480846338388. Its totient is φ = 9884677401600.

The previous prime is 12420200125313. The next prime is 12420200125337. The reversal of 12420200125325 is 52352100202421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12420200125313) and next prime (12420200125337).

It can be written as a sum of positive squares in 6 ways, for example, as 2143899210436 + 10276300914889 = 1464206^2 + 3205667^2 .

It is not a de Polignac number, because 12420200125325 - 2²⁶ = 12420133016461 is a prime.

It is a super-2 number, since 2×12420200125325² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287062546 + ... + 1287072195.

It is an arithmetic number, because the mean of its divisors is an integer number (1290070528199).

Almost surely, 2^{12420200125325} is an apocalyptic number.

It is an amenable number.

12420200125325 is a deficient number, since it is larger than the sum of its proper divisors (3060646213063).

12420200125325 is a wasteful number, since it uses less digits than its factorization.

12420200125325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574134944 (or 2574134939 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12420200125325 its reverse (52352100202421), we get a palindrome (64772300327746).

The spelling of 12420200125325 in words is "twelve trillion, four hundred twenty billion, two hundred million, one hundred twenty-five thousand, three hundred twenty-five".