12906194267 has 4 divisors (see below), whose sum is σ = 12980796720. Its totient is φ = 12831591816.

The previous prime is 12906194233. The next prime is 12906194297. The reversal of 12906194267 is 76249160921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12906194267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12906194297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37300967 + ... + 37301312.

It is an arithmetic number, because the mean of its divisors is an integer number (3245199180).

Almost surely, 2^12906194267 is an apocalyptic number.

12906194267 is a deficient number, since it is larger than the sum of its proper divisors (74602453).

12906194267 is an equidigital number, since it uses as much as digits as its factorization.

12906194267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74602452.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 12906194267 in words is "twelve billion, nine hundred six million, one hundred ninety-four thousand, two hundred sixty-seven".