12694111133 has 4 divisors (see below), whose sum is σ = 13848121248. Its totient is φ = 11540101020.

The previous prime is 12694111103. The next prime is 12694111151. The reversal of 12694111133 is 33111149621.

12694111133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12694111133 is a prime.

It is a super-2 number, since 2×12694111133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12694111133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577005041 + ... + 577005062.

It is an arithmetic number, because the mean of its divisors is an integer number (3462030312).

Almost surely, 2^12694111133 is an apocalyptic number.

It is an amenable number.

12694111133 is a deficient number, since it is larger than the sum of its proper divisors (1154010115).

12694111133 is a wasteful number, since it uses less digits than its factorization.

12694111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154010114.

The product of its digits is 3888, while the sum is 32.

The spelling of 12694111133 in words is "twelve billion, six hundred ninety-four million, one hundred eleven thousand, one hundred thirty-three".