12508370052469 has 2 divisors, whose sum is σ = 12508370052470. Its totient is φ = 12508370052468.

The previous prime is 12508370052397. The next prime is 12508370052473. The reversal of 12508370052469 is 96425007380521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6760546011025 + 5747824041444 = 2600105^2 + 2397462^2 .

It is an emirp because it is prime and its reverse (96425007380521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12508370052469 - 2⁷ = 12508370052341 is a prime.

It is a super-2 number, since 2×12508370052469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12508370053469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6254185026234 + 6254185026235.

It is an arithmetic number, because the mean of its divisors is an integer number (6254185026235).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12508370052469 = 25016740104938, but 3⋅12508370052469 = 37525110157407 is not.

Almost surely, 2^{12508370052469} is an apocalyptic number.

It is an amenable number.

12508370052469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12508370052469 is an equidigital number, since it uses as much as digits as its factorization.

12508370052469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 12508370052469 in words is "twelve trillion, five hundred eight billion, three hundred seventy million, fifty-two thousand, four hundred sixty-nine".