13120404340312 has 16 divisors (see below), whose sum is σ = 24601054302360. Its totient is φ = 6560123193024.

The previous prime is 13120404340291. The next prime is 13120404340357. The reversal of 13120404340312 is 21304340402131.

It is a happy number.

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, 9163098 + ... + 10497769.

Almost surely, 2^{13120404340312} is an apocalyptic number.

It is an amenable number.

13120404340312 is a deficient number, since it is larger than the sum of its proper divisors (11480649962048).

13120404340312 is a wasteful number, since it uses less digits than its factorization.

13120404340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19744290 (or 19744286 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13120404340312 its reverse (21304340402131), we get a palindrome (34424744742443).

The spelling of 13120404340312 in words is "thirteen trillion, one hundred twenty billion, four hundred four million, three hundred forty thousand, three hundred twelve".