12816407803 has 2 divisors, whose sum is σ = 12816407804. Its totient is φ = 12816407802.

The previous prime is 12816407789. The next prime is 12816407843. The reversal of 12816407803 is 30870461821.

It is an a-pointer prime, because the next prime (12816407843) can be obtained adding 12816407803 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12816407803 - 2²¹ = 12814310651 is a prime.

It is not a weakly prime, because it can be changed into another prime (12816407843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6408203901 + 6408203902.

It is an arithmetic number, because the mean of its divisors is an integer number (6408203902).

Almost surely, 2^12816407803 is an apocalyptic number.

12816407803 is a deficient number, since it is larger than the sum of its proper divisors (1).

12816407803 is an equidigital number, since it uses as much as digits as its factorization.

12816407803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 12816407803 in words is "twelve billion, eight hundred sixteen million, four hundred seven thousand, eight hundred three".