12712316533 has 16 divisors (see below), whose sum is σ = 14701907584. Its totient is φ = 10766882880.

The previous prime is 12712316531. The next prime is 12712316543. The reversal of 12712316533 is 33561321721.

It is a cyclic number.

It is not a de Polignac number, because 12712316533 - 2¹ = 12712316531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712316531) 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, 166966 + ... + 230872.

It is an arithmetic number, because the mean of its divisors is an integer number (918869224).

Almost surely, 2^12712316533 is an apocalyptic number.

It is an amenable number.

12712316533 is a deficient number, since it is larger than the sum of its proper divisors (1989591051).

12712316533 is a wasteful number, since it uses less digits than its factorization.

12712316533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64252.

The product of its digits is 22680, while the sum is 34.

The spelling of 12712316533 in words is "twelve billion, seven hundred twelve million, three hundred sixteen thousand, five hundred thirty-three".