13320112121112 has 32 divisors (see below), whose sum is σ = 33623584001280. Its totient is φ = 4396930213920.

The previous prime is 13320112121033. The next prime is 13320112121119. The reversal of 13320112121112 is 21112121102331.

It is a super-2 number, since 2×13320112121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320112121119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694194964 + ... + 2694199907.

It is an arithmetic number, because the mean of its divisors is an integer number (1050737000040).

Almost surely, 2^{13320112121112} is an apocalyptic number.

13320112121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13320112121112 is an abundant number, since it is smaller than the sum of its proper divisors (20303471880168).

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

13320112121112 is a wasteful number, since it uses less digits than its factorization.

13320112121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388394983 (or 5388394979 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 13320112121112 its reverse (21112121102331), we get a palindrome (34432233223443).

The spelling of 13320112121112 in words is "thirteen trillion, three hundred twenty billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twelve".