1243275012424 has 16 divisors (see below), whose sum is σ = 2331229388400. Its totient is φ = 621613842192.

The previous prime is 1243275012323. The next prime is 1243275012457. The reversal of 1243275012424 is 4242105723421.

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 3 ways as a sum of consecutive naturals, for example, 2733714 + ... + 3155905.

It is an arithmetic number, because the mean of its divisors is an integer number (145701836775).

Almost surely, 2^{1243275012424} is an apocalyptic number.

It is an amenable number.

1243275012424 is a deficient number, since it is larger than the sum of its proper divisors (1087954375976).

1243275012424 is a wasteful number, since it uses less digits than its factorization.

1243275012424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916012 (or 5916008 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 1243275012424 in words is "one trillion, two hundred forty-three billion, two hundred seventy-five million, twelve thousand, four hundred twenty-four".