13121404027327 has 2 divisors, whose sum is σ = 13121404027328. Its totient is φ = 13121404027326.

The previous prime is 13121404027307. The next prime is 13121404027337. The reversal of 13121404027327 is 72372040412131.

13121404027327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13121404027327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13121404027307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560702013663 + 6560702013664.

It is an arithmetic number, because the mean of its divisors is an integer number (6560702013664).

Almost surely, 2^{13121404027327} is an apocalyptic number.

13121404027327 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121404027327 is an equidigital number, since it uses as much as digits as its factorization.

13121404027327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

Adding to 13121404027327 its reverse (72372040412131), we get a palindrome (85493444439458).

The spelling of 13121404027327 in words is "thirteen trillion, one hundred twenty-one billion, four hundred four million, twenty-seven thousand, three hundred twenty-seven".