1320305564112 has 60 divisors (see below), whose sum is σ = 3565532249664. Its totient is φ = 420966983360.

The previous prime is 1320305564107. The next prime is 1320305564119. The reversal of 1320305564112 is 2114655030231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320305564119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25973064 + ... + 26023847.

Almost surely, 2^{1320305564112} is an apocalyptic number.

1320305564112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320305564112 is an abundant number, since it is smaller than the sum of its proper divisors (2245226685552).

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

1320305564112 is a wasteful number, since it uses less digits than its factorization.

1320305564112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51996968 (or 51996939 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 1320305564112 in words is "one trillion, three hundred twenty billion, three hundred five million, five hundred sixty-four thousand, one hundred twelve".