12200623204665 has 32 divisors (see below), whose sum is σ = 22560381930240. Its totient is φ = 5514760018944.

The previous prime is 12200623204621. The next prime is 12200623204703. The reversal of 12200623204665 is 56640232600221.

It is not a de Polignac number, because 12200623204665 - 2¹⁷ = 12200623073593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652779484 + ... + 652798173.

It is an arithmetic number, because the mean of its divisors is an integer number (705011935320).

Almost surely, 2^{12200623204665} is an apocalyptic number.

12200623204665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12200623204665 is a deficient number, since it is larger than the sum of its proper divisors (10359758725575).

12200623204665 is a wasteful number, since it uses less digits than its factorization.

12200623204665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305577761.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 12200623204665 its reverse (56640232600221), we get a palindrome (68840855804886).

The spelling of 12200623204665 in words is "twelve trillion, two hundred billion, six hundred twenty-three million, two hundred four thousand, six hundred sixty-five".