1312012322003 has 16 divisors (see below), whose sum is σ = 1359502272000. Its totient is φ = 1264674052992.

The previous prime is 1312012321993. The next prime is 1312012322057. The reversal of 1312012322003 is 3002232102131.

It is a cyclic number.

It is not a de Polignac number, because 1312012322003 - 2⁴⁰ = 212500694227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312012322903) 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, 44073038 + ... + 44102796.

It is an arithmetic number, because the mean of its divisors is an integer number (84968892000).

Almost surely, 2^{1312012322003} is an apocalyptic number.

1312012322003 is a deficient number, since it is larger than the sum of its proper divisors (47489949997).

1312012322003 is a wasteful number, since it uses less digits than its factorization.

1312012322003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32254.

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

Adding to 1312012322003 its reverse (3002232102131), we get a palindrome (4314244424134).

The spelling of 1312012322003 in words is "one trillion, three hundred twelve billion, twelve million, three hundred twenty-two thousand, three".