12903133457 has 2 divisors, whose sum is σ = 12903133458. Its totient is φ = 12903133456.

The previous prime is 12903133429. The next prime is 12903133483. The reversal of 12903133457 is 75433130921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12760187521 + 142945936 = 112961^2 + 11956^2 .

It is an emirp because it is prime and its reverse (75433130921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12903133457 - 2¹² = 12903129361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12903133457.

It is not a weakly prime, because it can be changed into another prime (12903133417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6451566728 + 6451566729.

It is an arithmetic number, because the mean of its divisors is an integer number (6451566729).

Almost surely, 2^12903133457 is an apocalyptic number.

It is an amenable number.

12903133457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12903133457 is an equidigital number, since it uses as much as digits as its factorization.

12903133457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 12903133457 in words is "twelve billion, nine hundred three million, one hundred thirty-three thousand, four hundred fifty-seven".