12801620203 has 2 divisors, whose sum is σ = 12801620204. Its totient is φ = 12801620202.

The previous prime is 12801620201. The next prime is 12801620207. The reversal of 12801620203 is 30202610821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12801620203 - 2¹ = 12801620201 is a prime.

It is a super-2 number, since 2×12801620203² (a number of 21 digits) contains 22 as substring.

Together with 12801620201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12801620201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400810101 + 6400810102.

It is an arithmetic number, because the mean of its divisors is an integer number (6400810102).

Almost surely, 2^12801620203 is an apocalyptic number.

12801620203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12801620203 is an equidigital number, since it uses as much as digits as its factorization.

12801620203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 12801620203 in words is "twelve billion, eight hundred one million, six hundred twenty thousand, two hundred three".