1312001332003 has 12 divisors (see below), whose sum is σ = 1356296914560. Its totient is φ = 1269109553040.

The previous prime is 1312001331973. The next prime is 1312001332009. The reversal of 1312001332003 is 3002331002131.

It is not a de Polignac number, because 1312001332003 - 2²⁹ = 1311464461091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312001332009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1846801 + ... + 2456557.

It is an arithmetic number, because the mean of its divisors is an integer number (113024742880).

Almost surely, 2^{1312001332003} is an apocalyptic number.

1312001332003 is a deficient number, since it is larger than the sum of its proper divisors (44295582557).

1312001332003 is an equidigital number, since it uses as much as digits as its factorization.

1312001332003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612058 (or 612027 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1312001332003 its reverse (3002331002131), we get a palindrome (4314332334134).

The spelling of 1312001332003 in words is "one trillion, three hundred twelve billion, one million, three hundred thirty-two thousand, three".