13120421344412 has 24 divisors (see below), whose sum is σ = 23008677886320. Its totient is φ = 6546514746240.

The previous prime is 13120421344361. The next prime is 13120421344441. The reversal of 13120421344412 is 21444312402131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40708358 + ... + 41029394.

It is an arithmetic number, because the mean of its divisors is an integer number (958694911930).

Almost surely, 2^{13120421344412} is an apocalyptic number.

It is an amenable number.

13120421344412 is a deficient number, since it is larger than the sum of its proper divisors (9888256541908).

13120421344412 is a wasteful number, since it uses less digits than its factorization.

13120421344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342341 (or 342339 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 13120421344412 its reverse (21444312402131), we get a palindrome (34564733746543).

The spelling of 13120421344412 in words is "thirteen trillion, one hundred twenty billion, four hundred twenty-one million, three hundred forty-four thousand, four hundred twelve".