12400480441 has 2 divisors, whose sum is σ = 12400480442. Its totient is φ = 12400480440.

The previous prime is 12400480387. The next prime is 12400480471. The reversal of 12400480441 is 14408400421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12396595600 + 3884841 = 111340^2 + 1971^2 .

It is an emirp because it is prime and its reverse (14408400421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12400480441 - 2¹⁵ = 12400447673 is a prime.

It is not a weakly prime, because it can be changed into another prime (12400480471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200240220 + 6200240221.

It is an arithmetic number, because the mean of its divisors is an integer number (6200240221).

Almost surely, 2^12400480441 is an apocalyptic number.

It is an amenable number.

12400480441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400480441 is an equidigital number, since it uses as much as digits as its factorization.

12400480441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 12400480441 its reverse (14408400421), we get a palindrome (26808880862).

The spelling of 12400480441 in words is "twelve billion, four hundred million, four hundred eighty thousand, four hundred forty-one".