1320113221112 has 16 divisors (see below), whose sum is σ = 2828814045360. Its totient is φ = 565762809024.

The previous prime is 1320113221111. The next prime is 1320113221117. The reversal of 1320113221112 is 2111223110231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320113221111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11786725133 + ... + 11786725244.

It is an arithmetic number, because the mean of its divisors is an integer number (176800877835).

Almost surely, 2^{1320113221112} is an apocalyptic number.

It is an amenable number.

1320113221112 is an abundant number, since it is smaller than the sum of its proper divisors (1508700824248).

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

1320113221112 is a wasteful number, since it uses less digits than its factorization.

1320113221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23573450390 (or 23573450386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1320113221112 its reverse (2111223110231), we get a palindrome (3431336331343).

The spelling of 1320113221112 in words is "one trillion, three hundred twenty billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred twelve".