13340120021312 has 28 divisors (see below), whose sum is σ = 30253486477920. Its totient is φ = 5717194294656.

The previous prime is 13340120021257. The next prime is 13340120021359. The reversal of 13340120021312 is 21312002104331.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14888526362 + ... + 14888527257.

Almost surely, 2^{13340120021312} is an apocalyptic number.

It is an amenable number.

13340120021312 is an abundant number, since it is smaller than the sum of its proper divisors (16913366456608).

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

13340120021312 is an equidigital number, since it uses as much as digits as its factorization.

13340120021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29777053638 (or 29777053628 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13340120021312 its reverse (21312002104331), we get a palindrome (34652122125643).

The spelling of 13340120021312 in words is "thirteen trillion, three hundred forty billion, one hundred twenty million, twenty-one thousand, three hundred twelve".