1303203212873 has 2 divisors, whose sum is σ = 1303203212874. Its totient is φ = 1303203212872.

The previous prime is 1303203212869. The next prime is 1303203212887. The reversal of 1303203212873 is 3782123023031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653588168704 + 649615044169 = 808448^2 + 805987^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303203212873 - 2² = 1303203212869 is a prime.

It is a super-2 number, since 2×1303203212873² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1303203212833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651601606436 + 651601606437.

It is an arithmetic number, because the mean of its divisors is an integer number (651601606437).

Almost surely, 2^{1303203212873} is an apocalyptic number.

It is an amenable number.

1303203212873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303203212873 is an equidigital number, since it uses as much as digits as its factorization.

1303203212873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 1303203212873 in words is "one trillion, three hundred three billion, two hundred three million, two hundred twelve thousand, eight hundred seventy-three".