1322320001320 has 32 divisors (see below), whose sum is σ = 2975260417920. Its totient is φ = 528920815680.

The previous prime is 1322320001293. The next prime is 1322320001339. The reversal of 1322320001320 is 231000232231.

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, 3533509 + ... + 3889771.

It is an arithmetic number, because the mean of its divisors is an integer number (92976888060).

Almost surely, 2^{1322320001320} is an apocalyptic number.

1322320001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322320001320 is an abundant number, since it is smaller than the sum of its proper divisors (1652940416600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322320001320 is a wasteful number, since it uses less digits than its factorization.

1322320001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449065 (or 449061 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1322320001320 its reverse (231000232231), we get a palindrome (1553320233551).

The spelling of 1322320001320 in words is "one trillion, three hundred twenty-two billion, three hundred twenty million, one thousand, three hundred twenty".