12400512415241 has 4 divisors (see below), whose sum is σ = 12405431304084. Its totient is φ = 12395593526400.

The previous prime is 12400512415231. The next prime is 12400512415253. The reversal of 12400512415241 is 14251421500421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4766453934841 + 7634058480400 = 2183221^2 + 2762980^2 .

It is a cyclic number.

It is not a de Polignac number, because 12400512415241 - 2²⁶ = 12400445306377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12400512415198 and 12400512415207.

It is not an unprimeable number, because it can be changed into a prime (12400512415231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2459440640 + ... + 2459445681.

It is an arithmetic number, because the mean of its divisors is an integer number (3101357826021).

Almost surely, 2^{12400512415241} is an apocalyptic number.

It is an amenable number.

12400512415241 is a deficient number, since it is larger than the sum of its proper divisors (4918888843).

12400512415241 is an equidigital number, since it uses as much as digits as its factorization.

12400512415241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918888842.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 12400512415241 its reverse (14251421500421), we get a palindrome (26651933915662).

The spelling of 12400512415241 in words is "twelve trillion, four hundred billion, five hundred twelve million, four hundred fifteen thousand, two hundred forty-one".