12830234487857 has 2 divisors, whose sum is σ = 12830234487858. Its totient is φ = 12830234487856.

The previous prime is 12830234487809. The next prime is 12830234487907. The reversal of 12830234487857 is 75878443203821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12518547880336 + 311686607521 = 3538156^2 + 558289^2 .

It is a cyclic number.

It is not a de Polignac number, because 12830234487857 - 2²⁶ = 12830167378993 is a prime.

It is a super-2 number, since 2×12830234487857² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12830234487857.

It is not a weakly prime, because it can be changed into another prime (12860234487857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6415117243928 + 6415117243929.

It is an arithmetic number, because the mean of its divisors is an integer number (6415117243929).

Almost surely, 2^{12830234487857} is an apocalyptic number.

It is an amenable number.

12830234487857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12830234487857 is an equidigital number, since it uses as much as digits as its factorization.

12830234487857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72253440, while the sum is 62.

The spelling of 12830234487857 in words is "twelve trillion, eight hundred thirty billion, two hundred thirty-four million, four hundred eighty-seven thousand, eight hundred fifty-seven".