12244545046401 has 4 divisors (see below), whose sum is σ = 16326060061872. Its totient is φ = 8163030030932.

The previous prime is 12244545046399. The next prime is 12244545046403. The reversal of 12244545046401 is 10464054544221.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (12244545046399) and next prime (12244545046403).

It is a cyclic number.

It is not a de Polignac number, because 12244545046401 - 2¹ = 12244545046399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12244545046403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2040757507731 + ... + 2040757507736.

It is an arithmetic number, because the mean of its divisors is an integer number (4081515015468).

Almost surely, 2^{12244545046401} is an apocalyptic number.

It is an amenable number.

12244545046401 is a deficient number, since it is larger than the sum of its proper divisors (4081515015471).

12244545046401 is an equidigital number, since it uses as much as digits as its factorization.

12244545046401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081515015470.

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 12244545046401 in words is "twelve trillion, two hundred forty-four billion, five hundred forty-five million, forty-six thousand, four hundred one".