13120103112312 has 64 divisors (see below), whose sum is σ = 37500378105600. Its totient is φ = 3747163968000.

The previous prime is 13120103112299. The next prime is 13120103112317. The reversal of 13120103112312 is 21321130102131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120103112317) 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, 14528314 + ... + 15404937.

It is an arithmetic number, because the mean of its divisors is an integer number (585943407900).

Almost surely, 2^{13120103112312} is an apocalyptic number.

13120103112312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120103112312 is an abundant number, since it is smaller than the sum of its proper divisors (24380274993288).

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

13120103112312 is a wasteful number, since it uses less digits than its factorization.

13120103112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29935876 (or 29935872 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13120103112312 its reverse (21321130102131), we get a palindrome (34441233214443).

The spelling of 13120103112312 in words is "thirteen trillion, one hundred twenty billion, one hundred three million, one hundred twelve thousand, three hundred twelve".