13121123340411 has 36 divisors (see below), whose sum is σ = 20003627409480. Its totient is φ = 8286660383040.

The previous prime is 13121123340331. The next prime is 13121123340419. The reversal of 13121123340411 is 11404332112131.

13121123340411 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 11 + 233 + 4 + 0 + 411 = 666.

It is not a de Polignac number, because 13121123340411 - 2⁹ = 13121123339899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13121123340419) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 86766976 + ... + 86918066.

It is an arithmetic number, because the mean of its divisors is an integer number (555656316930).

Almost surely, 2^{13121123340411} is an apocalyptic number.

13121123340411 is a deficient number, since it is larger than the sum of its proper divisors (6882504069069).

13121123340411 is a wasteful number, since it uses less digits than its factorization.

13121123340411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177864 (or 177842 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 13121123340411 its reverse (11404332112131), we get a palindrome (24525455452542).

The spelling of 13121123340411 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-three million, three hundred forty thousand, four hundred eleven".