1244034243213 has 16 divisors (see below), whose sum is σ = 1662914265600. Its totient is φ = 827256824496.

The previous prime is 1244034243169. The next prime is 1244034243223. The reversal of 1244034243213 is 3123424304421.

It is not a de Polignac number, because 1244034243213 - 2³⁰ = 1242960501389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244034243223) 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 15 ways as a sum of consecutive naturals, for example, 2863806 + ... + 3269472.

It is an arithmetic number, because the mean of its divisors is an integer number (103932141600).

Almost surely, 2^{1244034243213} is an apocalyptic number.

It is an amenable number.

1244034243213 is a deficient number, since it is larger than the sum of its proper divisors (418880022387).

1244034243213 is a wasteful number, since it uses less digits than its factorization.

1244034243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408256.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1244034243213 its reverse (3123424304421), we get a palindrome (4367458547634).

The spelling of 1244034243213 in words is "one trillion, two hundred forty-four billion, thirty-four million, two hundred forty-three thousand, two hundred thirteen".