12005509006 has 8 divisors (see below), whose sum is σ = 18035509464. Its totient is φ = 5993672520.

The previous prime is 12005508979. The next prime is 12005509007. The reversal of 12005509006 is 60090550021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005509007) 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, 4539340 + ... + 4541983.

It is an arithmetic number, because the mean of its divisors is an integer number (2254438683).

Almost surely, 2^12005509006 is an apocalyptic number.

12005509006 is a deficient number, since it is larger than the sum of its proper divisors (6030000458).

12005509006 is an equidigital number, since it uses as much as digits as its factorization.

12005509006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081986.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 12005509006 in words is "twelve billion, five million, five hundred nine thousand, six".