13211120112312 has 16 divisors (see below), whose sum is σ = 33027800280840. Its totient is φ = 4403706704096.

The previous prime is 13211120112269. The next prime is 13211120112317. The reversal of 13211120112312 is 21321102111231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211120112317) 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, 275231668983 + ... + 275231669030.

Almost surely, 2^{13211120112312} is an apocalyptic number.

13211120112312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13211120112312 is an abundant number, since it is smaller than the sum of its proper divisors (19816680168528).

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

13211120112312 is a wasteful number, since it uses less digits than its factorization.

13211120112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550463338022 (or 550463338018 counting only the distinct ones).

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

Adding to 13211120112312 its reverse (21321102111231), we get a palindrome (34532222223543).

The spelling of 13211120112312 in words is "thirteen trillion, two hundred eleven billion, one hundred twenty million, one hundred twelve thousand, three hundred twelve".