1243113412444 has 12 divisors (see below), whose sum is σ = 2175464662000. Its totient is φ = 621552080448.

The previous prime is 1243113412423. The next prime is 1243113412459. The reversal of 1243113412444 is 4442143113421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511869 + ... + 1657780.

Almost surely, 2^{1243113412444} is an apocalyptic number.

It is an amenable number.

1243113412444 is a deficient number, since it is larger than the sum of its proper divisors (932351249556).

1243113412444 is a wasteful number, since it uses less digits than its factorization.

1243113412444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312892 (or 2312890 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

Adding to 1243113412444 its reverse (4442143113421), we get a palindrome (5685256525865).

The spelling of 1243113412444 in words is "one trillion, two hundred forty-three billion, one hundred thirteen million, four hundred twelve thousand, four hundred forty-four".