12420415241 has 4 divisors (see below), whose sum is σ = 13375831812. Its totient is φ = 11464998672.

The previous prime is 12420415213. The next prime is 12420415261. The reversal of 12420415241 is 14251402421.

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 5895168400 + 6525246841 = 76780^2 + 80779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12420415241 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 12420415241.

It is not an unprimeable number, because it can be changed into a prime (12420415201) 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, 477708266 + ... + 477708291.

It is an arithmetic number, because the mean of its divisors is an integer number (3343957953).

Almost surely, 2^12420415241 is an apocalyptic number.

It is an amenable number.

12420415241 is a deficient number, since it is larger than the sum of its proper divisors (955416571).

12420415241 is an equidigital number, since it uses as much as digits as its factorization.

12420415241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955416570.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 12420415241 its reverse (14251402421), we get a palindrome (26671817662).

The spelling of 12420415241 in words is "twelve billion, four hundred twenty million, four hundred fifteen thousand, two hundred forty-one".