1321222303132 has 12 divisors (see below), whose sum is σ = 2322235709080. Its totient is φ = 657726386256.

The previous prime is 1321222303109. The next prime is 1321222303133. The reversal of 1321222303132 is 2313032221231.

It is a junction number, because it is equal to n+sod(n) for n = 1321222303097 and 1321222303106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321222303133) 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, 721190298 + ... + 721192129.

Almost surely, 2^{1321222303132} is an apocalyptic number.

It is an amenable number.

1321222303132 is a deficient number, since it is larger than the sum of its proper divisors (1001013405948).

1321222303132 is a wasteful number, since it uses less digits than its factorization.

1321222303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442382660 (or 1442382658 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1321222303132 its reverse (2313032221231), we get a palindrome (3634254524363).

The spelling of 1321222303132 in words is "one trillion, three hundred twenty-one billion, two hundred twenty-two million, three hundred three thousand, one hundred thirty-two".