12929768162191 has 4 divisors (see below), whose sum is σ = 12930815713072. Its totient is φ = 12928720611312.

The previous prime is 12929768162183. The next prime is 12929768162237. The reversal of 12929768162191 is 19126186792921.

12929768162191 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.

It is a cyclic number.

It is not a de Polignac number, because 12929768162191 - 2³ = 12929768162183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12929768162111) 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, 523756926 + ... + 523781611.

It is an arithmetic number, because the mean of its divisors is an integer number (3232703928268).

Almost surely, 2^{12929768162191} is an apocalyptic number.

12929768162191 is a deficient number, since it is larger than the sum of its proper divisors (1047550881).

12929768162191 is a wasteful number, since it uses less digits than its factorization.

12929768162191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047550880.

The product of its digits is 11757312, while the sum is 64.

The spelling of 12929768162191 in words is "twelve trillion, nine hundred twenty-nine billion, seven hundred sixty-eight million, one hundred sixty-two thousand, one hundred ninety-one".