12065510566 has 8 divisors (see below), whose sum is σ = 18100310184. Its totient is φ = 6032073840.

The previous prime is 12065510543. The next prime is 12065510593. The reversal of 12065510566 is 66501556021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318295 + ... + 354178.

It is an arithmetic number, because the mean of its divisors is an integer number (2262538773).

Almost surely, 2^12065510566 is an apocalyptic number.

12065510566 is a deficient number, since it is larger than the sum of its proper divisors (6034799618).

12065510566 is an equidigital number, since it uses as much as digits as its factorization.

12065510566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681446.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 12065510566 in words is "twelve billion, sixty-five million, five hundred ten thousand, five hundred sixty-six".