12445342144026 has 48 divisors (see below), whose sum is σ = 27359735640384. Its totient is φ = 3771239472000.

The previous prime is 12445342143991. The next prime is 12445342144057. The reversal of 12445342144026 is 62044124354421.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 43177506 + ... + 43464786.

It is an arithmetic number, because the mean of its divisors is an integer number (569994492508).

Almost surely, 2^{12445342144026} is an apocalyptic number.

12445342144026 is an abundant number, since it is smaller than the sum of its proper divisors (14914393496358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12445342144026 is a wasteful number, since it uses less digits than its factorization.

12445342144026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346979 (or 346968 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 42.

Adding to 12445342144026 its reverse (62044124354421), we get a palindrome (74489466498447).

The spelling of 12445342144026 in words is "twelve trillion, four hundred forty-five billion, three hundred forty-two million, one hundred forty-four thousand, twenty-six".