12320990606 has 32 divisors (see below), whose sum is σ = 19261035360. Its totient is φ = 5906752000.

The previous prime is 12320990603. The next prime is 12320990623. The reversal of 12320990606 is 60609902321.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12320990606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320990603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129205 + ... + 1140063.

It is an arithmetic number, because the mean of its divisors is an integer number (601907355).

Almost surely, 2^12320990606 is an apocalyptic number.

12320990606 is a deficient number, since it is larger than the sum of its proper divisors (6940044754).

12320990606 is a wasteful number, since it uses less digits than its factorization.

12320990606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 12320990606 in words is "twelve billion, three hundred twenty million, nine hundred ninety thousand, six hundred six".