13112112213312 has 56 divisors (see below), whose sum is σ = 39648529791936. Its totient is φ = 3746317774848.

The previous prime is 13112112213281. The next prime is 13112112213331. The reversal of 13112112213312 is 21331221121131.

It is a tau number, because it is divible by the number of its divisors (56).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878016593 + ... + 4878019280.

Almost surely, 2^{13112112213312} is an apocalyptic number.

13112112213312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112112213312 is an abundant number, since it is smaller than the sum of its proper divisors (26536417578624).

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

13112112213312 is an equidigital number, since it uses as much as digits as its factorization.

13112112213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756035895 (or 9756035885 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

Adding to 13112112213312 its reverse (21331221121131), we get a palindrome (34443333334443).

The spelling of 13112112213312 in words is "thirteen trillion, one hundred twelve billion, one hundred twelve million, two hundred thirteen thousand, three hundred twelve".