12356666891358 has 8 divisors (see below), whose sum is σ = 24713333782728. Its totient is φ = 4118888963784.

The previous prime is 12356666891351. The next prime is 12356666891453. The reversal of 12356666891358 is 85319866665321.

It is a sphenic number, since it is the product of 3 distinct primes.

12356666891358 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12356666891292 and 12356666891301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12356666891351) 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, 1029722240941 + ... + 1029722240952.

It is an arithmetic number, because the mean of its divisors is an integer number (3089166722841).

Almost surely, 2^{12356666891358} is an apocalyptic number.

12356666891358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12356666891358 is a wasteful number, since it uses less digits than its factorization.

12356666891358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059444481898.

The product of its digits is 335923200, while the sum is 69.

The spelling of 12356666891358 in words is "twelve trillion, three hundred fifty-six billion, six hundred sixty-six million, eight hundred ninety-one thousand, three hundred fifty-eight".