1321422244412 has 24 divisors (see below), whose sum is σ = 2321396300160. Its totient is φ = 658170379440.

The previous prime is 1321422244321. The next prime is 1321422244423. The reversal of 1321422244412 is 2144422241231.

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, 726737 + ... + 1780727.

It is an arithmetic number, because the mean of its divisors is an integer number (96724845840).

Almost surely, 2^{1321422244412} is an apocalyptic number.

It is an amenable number.

1321422244412 is a deficient number, since it is larger than the sum of its proper divisors (999974055748).

1321422244412 is a wasteful number, since it uses less digits than its factorization.

1321422244412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055201 (or 1055199 counting only the distinct ones).

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

Adding to 1321422244412 its reverse (2144422241231), we get a palindrome (3465844485643).

The spelling of 1321422244412 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-two million, two hundred forty-four thousand, four hundred twelve".