12451201405 has 8 divisors (see below), whose sum is σ = 14944102200. Its totient is φ = 9959187456.

The previous prime is 12451201393. The next prime is 12451201439. The reversal of 12451201405 is 50410215421.

12451201405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1477172356 + 10974029049 = 38434^2 + 104757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12451201405 - 2¹¹ = 12451199357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12451201405.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 190420 + ... + 247309.

It is an arithmetic number, because the mean of its divisors is an integer number (1868012775).

Almost surely, 2^12451201405 is an apocalyptic number.

It is an amenable number.

12451201405 is a deficient number, since it is larger than the sum of its proper divisors (2492900795).

12451201405 is an equidigital number, since it uses as much as digits as its factorization.

12451201405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443423.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12451201405 its reverse (50410215421), we get a palindrome (62861416826).

The spelling of 12451201405 in words is "twelve billion, four hundred fifty-one million, two hundred one thousand, four hundred five".