12005354879 has 8 divisors (see below), whose sum is σ = 13723257888. Its totient is φ = 10288164960.

The previous prime is 12005354863. The next prime is 12005354891. The reversal of 12005354879 is 97845350021.

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

It is a cyclic number.

It is not a de Polignac number, because 12005354879 - 2⁴ = 12005354863 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 (12005354579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141692 + ... + 209969.

It is an arithmetic number, because the mean of its divisors is an integer number (1715407236).

Almost surely, 2^12005354879 is an apocalyptic number.

12005354879 is a deficient number, since it is larger than the sum of its proper divisors (1717903009).

12005354879 is an equidigital number, since it uses as much as digits as its factorization.

12005354879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356545.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 12005354879 in words is "twelve billion, five million, three hundred fifty-four thousand, eight hundred seventy-nine".