12907328026289 has 2 divisors, whose sum is σ = 12907328026290. Its totient is φ = 12907328026288.

The previous prime is 12907328026283. The next prime is 12907328026409. The reversal of 12907328026289 is 98262082370921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9168874840225 + 3738453186064 = 3028015^2 + 1933508^2 .

It is a cyclic number.

It is not a de Polignac number, because 12907328026289 - 2¹⁶ = 12907327960753 is a prime.

It is a super-2 number, since 2×12907328026289² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12907328026283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453664013144 + 6453664013145.

It is an arithmetic number, because the mean of its divisors is an integer number (6453664013145).

Almost surely, 2^{12907328026289} is an apocalyptic number.

It is an amenable number.

12907328026289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907328026289 is an equidigital number, since it uses as much as digits as its factorization.

12907328026289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 12907328026289 in words is "twelve trillion, nine hundred seven billion, three hundred twenty-eight million, twenty-six thousand, two hundred eighty-nine".