1144312243412 has 24 divisors (see below), whose sum is σ = 2158462236672. Its totient is φ = 527685228000.

The previous prime is 1144312243387. The next prime is 1144312243429. The reversal of 1144312243412 is 2143422134411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9499664 + ... + 9619367.

It is an arithmetic number, because the mean of its divisors is an integer number (89935926528).

Almost surely, 2^{1144312243412} is an apocalyptic number.

It is an amenable number.

1144312243412 is a deficient number, since it is larger than the sum of its proper divisors (1014149993260).

1144312243412 is a wasteful number, since it uses less digits than its factorization.

1144312243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19120199 (or 19120197 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 1144312243412 its reverse (2143422134411), we get a palindrome (3287734377823).

The spelling of 1144312243412 in words is "one trillion, one hundred forty-four billion, three hundred twelve million, two hundred forty-three thousand, four hundred twelve".