12047655305 has 8 divisors (see below), whose sum is σ = 16522498752. Its totient is φ = 8261249328.

The previous prime is 12047655293. The next prime is 12047655341. The reversal of 12047655305 is 50355674021.

It is a happy number.

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 12047655305 - 2⁶ = 12047655241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172109327 + ... + 172109396.

It is an arithmetic number, because the mean of its divisors is an integer number (2065312344).

Almost surely, 2^12047655305 is an apocalyptic number.

It is an amenable number.

12047655305 is a deficient number, since it is larger than the sum of its proper divisors (4474843447).

12047655305 is an equidigital number, since it uses as much as digits as its factorization.

12047655305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344218735.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 12047655305 in words is "twelve billion, forty-seven million, six hundred fifty-five thousand, three hundred five".