12410456521 has 4 divisors (see below), whose sum is σ = 12644616132. Its totient is φ = 12176296912.

The previous prime is 12410456503. The next prime is 12410456543. The reversal of 12410456521 is 12565401421.

It is a happy number.

12410456521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12565401421 = 10267 ⋅1223863.

It can be written as a sum of positive squares in 2 ways, for example, as 6390403600 + 6020052921 = 79940^2 + 77589^2 .

It is a cyclic number.

It is not a de Polignac number, because 12410456521 - 2¹¹ = 12410454473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12410456561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117079726 + ... + 117079831.

It is an arithmetic number, because the mean of its divisors is an integer number (3161154033).

Almost surely, 2^12410456521 is an apocalyptic number.

It is an amenable number.

12410456521 is a deficient number, since it is larger than the sum of its proper divisors (234159611).

12410456521 is an equidigital number, since it uses as much as digits as its factorization.

12410456521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234159610.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 12410456521 its reverse (12565401421), we get a palindrome (24975857942).

It can be divided in two parts, 124104 and 56521, that added together give a square (180625 = 425²).

The spelling of 12410456521 in words is "twelve billion, four hundred ten million, four hundred fifty-six thousand, five hundred twenty-one".