2221320301312 has 72 divisors (see below), whose sum is σ = 5114746135296. Its totient is φ = 943097189376.

The previous prime is 2221320301289. The next prime is 2221320301331. The reversal of 2221320301312 is 2131030231222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5600668 + ... + 5984155.

It is an arithmetic number, because the mean of its divisors is an integer number (71038140768).

Almost surely, 2^{2221320301312} is an apocalyptic number.

It is an amenable number.

2221320301312 is an abundant number, since it is smaller than the sum of its proper divisors (2893425833984).

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

2221320301312 is a wasteful number, since it uses less digits than its factorization.

2221320301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11584953 (or 11584939 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2221320301312 its reverse (2131030231222), we get a palindrome (4352350532534).

The spelling of 2221320301312 in words is "two trillion, two hundred twenty-one billion, three hundred twenty million, three hundred one thousand, three hundred twelve".