1322021120312 has 16 divisors (see below), whose sum is σ = 2586563061840. Its totient is φ = 632270970496.

The previous prime is 1322021120177. The next prime is 1322021120317. The reversal of 1322021120312 is 2130211202231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322021120317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3592448513 + ... + 3592448880.

It is an arithmetic number, because the mean of its divisors is an integer number (161660191365).

Almost surely, 2^{1322021120312} is an apocalyptic number.

It is an amenable number.

1322021120312 is a deficient number, since it is larger than the sum of its proper divisors (1264541941528).

1322021120312 is a wasteful number, since it uses less digits than its factorization.

1322021120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184897422 (or 7184897418 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1322021120312 its reverse (2130211202231), we get a palindrome (3452232322543).

The spelling of 1322021120312 in words is "one trillion, three hundred twenty-two billion, twenty-one million, one hundred twenty thousand, three hundred twelve".