1312013412003 has 16 divisors (see below), whose sum is σ = 2000097575936. Its totient is φ = 749407308480.

The previous prime is 1312013411983. The next prime is 1312013412049. The reversal of 1312013412003 is 3002143102131.

It is not a de Polignac number, because 1312013412003 - 2¹² = 1312013407907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312013412053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13058818 + ... + 13158903.

It is an arithmetic number, because the mean of its divisors is an integer number (125006098496).

Almost surely, 2^{1312013412003} is an apocalyptic number.

1312013412003 is a deficient number, since it is larger than the sum of its proper divisors (688084163933).

1312013412003 is a wasteful number, since it uses less digits than its factorization.

1312013412003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26220114.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312013412003 its reverse (3002143102131), we get a palindrome (4314156514134).

The spelling of 1312013412003 in words is "one trillion, three hundred twelve billion, thirteen million, four hundred twelve thousand, three".