12200623204666 has 48 divisors (see below), whose sum is σ = 20104955879040. Its totient is φ = 5549300003520.

The previous prime is 12200623204621. The next prime is 12200623204703. The reversal of 12200623204666 is 66640232600221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54916555 + ... + 55138273.

It is an arithmetic number, because the mean of its divisors is an integer number (418853247480).

Almost surely, 2^{12200623204666} is an apocalyptic number.

12200623204666 is a deficient number, since it is larger than the sum of its proper divisors (7904332674374).

12200623204666 is a wasteful number, since it uses less digits than its factorization.

12200623204666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224111 (or 224098 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 12200623204666 its reverse (66640232600221), we get a palindrome (78840855804887).

The spelling of 12200623204666 in words is "twelve trillion, two hundred billion, six hundred twenty-three million, two hundred four thousand, six hundred sixty-six".