13212431769527 has 2 divisors, whose sum is σ = 13212431769528. Its totient is φ = 13212431769526.

The previous prime is 13212431769479. The next prime is 13212431769701. The reversal of 13212431769527 is 72596713421231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13212431769527 - 2¹⁸ = 13212431507383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13212431769227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606215884763 + 6606215884764.

It is an arithmetic number, because the mean of its divisors is an integer number (6606215884764).

Almost surely, 2^{13212431769527} is an apocalyptic number.

13212431769527 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212431769527 is an equidigital number, since it uses as much as digits as its factorization.

13212431769527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 53.

The spelling of 13212431769527 in words is "thirteen trillion, two hundred twelve billion, four hundred thirty-one million, seven hundred sixty-nine thousand, five hundred twenty-seven".