1321442224412 has 12 divisors (see below), whose sum is σ = 2324144617200. Its totient is φ = 657400905216.

The previous prime is 1321442224393. The next prime is 1321442224439. The reversal of 1321442224412 is 2144222441231.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 830050853 + ... + 830052444.

It is an arithmetic number, because the mean of its divisors is an integer number (193678718100).

Almost surely, 2^{1321442224412} is an apocalyptic number.

It is an amenable number.

1321442224412 is a deficient number, since it is larger than the sum of its proper divisors (1002702392788).

1321442224412 is a wasteful number, since it uses less digits than its factorization.

1321442224412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660103500 (or 1660103498 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 1321442224412 its reverse (2144222441231), we get a palindrome (3465664665643).

The spelling of 1321442224412 in words is "one trillion, three hundred twenty-one billion, four hundred forty-two million, two hundred twenty-four thousand, four hundred twelve".