12780242401 has 4 divisors (see below), whose sum is σ = 12780471600. Its totient is φ = 12780013204.

The previous prime is 12780242351. The next prime is 12780242413. The reversal of 12780242401 is 10424208721.

12780242401 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12780242401 - 2¹⁷ = 12780111329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12780242801) 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, 29130 + ... + 162508.

It is an arithmetic number, because the mean of its divisors is an integer number (3195117900).

Almost surely, 2^12780242401 is an apocalyptic number.

It is an amenable number.

12780242401 is a deficient number, since it is larger than the sum of its proper divisors (229199).

12780242401 is an equidigital number, since it uses as much as digits as its factorization.

12780242401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229198.

The product of its (nonzero) digits is 7168, while the sum is 31.

The spelling of 12780242401 in words is "twelve billion, seven hundred eighty million, two hundred forty-two thousand, four hundred one".