12402032125 has 32 divisors (see below), whose sum is σ = 17742696192. Its totient is φ = 8478360000.

The previous prime is 12402032077. The next prime is 12402032141. The reversal of 12402032125 is 52123020421.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12402032125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12402032096 and 12402032105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268215 + ... + 311035.

It is an arithmetic number, because the mean of its divisors is an integer number (554459256).

Almost surely, 2^12402032125 is an apocalyptic number.

It is an amenable number.

12402032125 is a deficient number, since it is larger than the sum of its proper divisors (5340664067).

12402032125 is an equidigital number, since it uses as much as digits as its factorization.

12402032125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43174 (or 43164 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12402032125 its reverse (52123020421), we get a palindrome (64525052546).

The spelling of 12402032125 in words is "twelve billion, four hundred two million, thirty-two thousand, one hundred twenty-five".