12642412410361 has 4 divisors (see below), whose sum is σ = 12642426612900. Its totient is φ = 12642398207824.

The previous prime is 12642412410343. The next prime is 12642412410367. The reversal of 12642412410361 is 16301421424621.

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 7320509454736 + 5321902955625 = 2705644^2 + 2306925^2 .

It is a cyclic number.

It is not a de Polignac number, because 12642412410361 - 2⁹ = 12642412409849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12642412410361.

It is not an unprimeable number, because it can be changed into a prime (12642412410367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5669866 + ... + 7578403.

It is an arithmetic number, because the mean of its divisors is an integer number (3160606653225).

Almost surely, 2^{12642412410361} is an apocalyptic number.

It is an amenable number.

12642412410361 is a deficient number, since it is larger than the sum of its proper divisors (14202539).

12642412410361 is an equidigital number, since it uses as much as digits as its factorization.

12642412410361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202538.

The product of its (nonzero) digits is 55296, while the sum is 37.

Adding to 12642412410361 its reverse (16301421424621), we get a palindrome (28943833834982).

The spelling of 12642412410361 in words is "twelve trillion, six hundred forty-two billion, four hundred twelve million, four hundred ten thousand, three hundred sixty-one".