1320442011312 has 40 divisors (see below), whose sum is σ = 3411572840304. Its totient is φ = 440091727104.

The previous prime is 1320442011247. The next prime is 1320442011367. The reversal of 1320442011312 is 2131102440231.

It is a super-2 number, since 2×1320442011312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1353063 + ... + 2114630.

Almost surely, 2^{1320442011312} is an apocalyptic number.

1320442011312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320442011312 is an abundant number, since it is smaller than the sum of its proper divisors (2091130828992).

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

1320442011312 is a wasteful number, since it uses less digits than its factorization.

1320442011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475637 (or 3475631 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1320442011312 its reverse (2131102440231), we get a palindrome (3451544451543).

The spelling of 1320442011312 in words is "one trillion, three hundred twenty billion, four hundred forty-two million, eleven thousand, three hundred twelve".