1312200001303 has 4 divisors (see below), whose sum is σ = 1357448277240. Its totient is φ = 1266951725368.

The previous prime is 1312200001279. The next prime is 1312200001327. The reversal of 1312200001303 is 3031000022131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1312200001279) and next prime (1312200001327).

It is a cyclic number.

It is not a de Polignac number, because 1312200001303 - 2¹⁷ = 1312199870231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312200001603) 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 in 3 ways as a sum of consecutive naturals, for example, 22624137925 + ... + 22624137982.

It is an arithmetic number, because the mean of its divisors is an integer number (339362069310).

Almost surely, 2^{1312200001303} is an apocalyptic number.

1312200001303 is a deficient number, since it is larger than the sum of its proper divisors (45248275937).

1312200001303 is an equidigital number, since it uses as much as digits as its factorization.

1312200001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45248275936.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1312200001303 its reverse (3031000022131), we get a palindrome (4343200023434).

The spelling of 1312200001303 in words is "one trillion, three hundred twelve billion, two hundred million, one thousand, three hundred three".