1320322001112 has 64 divisors (see below), whose sum is σ = 3691849689600. Its totient is φ = 437192704800.

The previous prime is 1320322001111. The next prime is 1320322001149. The reversal of 1320322001112 is 2111002230231.

1320322001112 is a `hidden beast` number, since 1 + 320 + 32 + 200 + 1 + 112 = 666.

It is a super-2 number, since 2×1320322001112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320322001111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20207788 + ... + 20273019.

It is an arithmetic number, because the mean of its divisors is an integer number (57685151400).

Almost surely, 2^{1320322001112} is an apocalyptic number.

1320322001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320322001112 is an abundant number, since it is smaller than the sum of its proper divisors (2371527688488).

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

1320322001112 is a wasteful number, since it uses less digits than its factorization.

1320322001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40480973 (or 40480963 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1320322001112 its reverse (2111002230231), we get a palindrome (3431324231343).

The spelling of 1320322001112 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, one thousand, one hundred twelve".