1312312200203 has 16 divisors (see below), whose sum is σ = 1341222528096. Its totient is φ = 1283559513600.

The previous prime is 1312312200197. The next prime is 1312312200217. The reversal of 1312312200203 is 3020022132131.

It is a cyclic number.

It is not a de Polignac number, because 1312312200203 - 2⁴ = 1312312200187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312312200293) 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 15 ways as a sum of consecutive naturals, for example, 36601001 + ... + 36636837.

It is an arithmetic number, because the mean of its divisors is an integer number (83826408006).

Almost surely, 2^{1312312200203} is an apocalyptic number.

1312312200203 is a deficient number, since it is larger than the sum of its proper divisors (28910327893).

1312312200203 is a wasteful number, since it uses less digits than its factorization.

1312312200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38014.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312312200203 its reverse (3020022132131), we get a palindrome (4332334332334).

The spelling of 1312312200203 in words is "one trillion, three hundred twelve billion, three hundred twelve million, two hundred thousand, two hundred three".