12428530575397 has 2 divisors, whose sum is σ = 12428530575398. Its totient is φ = 12428530575396.

The previous prime is 12428530575367. The next prime is 12428530575443. The reversal of 12428530575397 is 79357503582421.

12428530575397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8833919340481 + 3594611234916 = 2972191^2 + 1895946^2 .

It is a cyclic number.

It is not a de Polignac number, because 12428530575397 - 2¹⁹ = 12428530051109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12428530575367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214265287698 + 6214265287699.

It is an arithmetic number, because the mean of its divisors is an integer number (6214265287699).

Almost surely, 2^{12428530575397} is an apocalyptic number.

It is an amenable number.

12428530575397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12428530575397 is an equidigital number, since it uses as much as digits as its factorization.

12428530575397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 12428530575397 in words is "twelve trillion, four hundred twenty-eight billion, five hundred thirty million, five hundred seventy-five thousand, three hundred ninety-seven".