12405234241 has 4 divisors (see below), whose sum is σ = 12456708484. Its totient is φ = 12353760000.

The previous prime is 12405234211. The next prime is 12405234263. The reversal of 12405234241 is 14243250421.

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 10281960000 + 2123274241 = 101400^2 + 46079^2 .

It is a cyclic number.

It is not a de Polignac number, because 12405234241 - 2¹¹ = 12405232193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12405234211) 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, 25736760 + ... + 25737241.

It is an arithmetic number, because the mean of its divisors is an integer number (3114177121).

Almost surely, 2^12405234241 is an apocalyptic number.

It is an amenable number.

12405234241 is a deficient number, since it is larger than the sum of its proper divisors (51474243).

12405234241 is an equidigital number, since it uses as much as digits as its factorization.

12405234241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51474242.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12405234241 its reverse (14243250421), we get a palindrome (26648484662).

The spelling of 12405234241 in words is "twelve billion, four hundred five million, two hundred thirty-four thousand, two hundred forty-one".