1321112543224 has 16 divisors (see below), whose sum is σ = 2477177226720. Its totient is φ = 660531949440.

The previous prime is 1321112543221. The next prime is 1321112543269. The reversal of 1321112543224 is 4223452111231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321112543221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808384 + ... + 3244879.

It is an arithmetic number, because the mean of its divisors is an integer number (154823576670).

Almost surely, 2^{1321112543224} is an apocalyptic number.

It is an amenable number.

1321112543224 is a deficient number, since it is larger than the sum of its proper divisors (1156064683496).

1321112543224 is a wasteful number, since it uses less digits than its factorization.

1321112543224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080550 (or 6080546 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

Adding to 1321112543224 its reverse (4223452111231), we get a palindrome (5544564654455).

The spelling of 1321112543224 in words is "one trillion, three hundred twenty-one billion, one hundred twelve million, five hundred forty-three thousand, two hundred twenty-four".