12012200205 has 8 divisors (see below), whose sum is σ = 19219520352. Its totient is φ = 6406506768.

The previous prime is 12012200203. The next prime is 12012200219. The reversal of 12012200205 is 50200221021.

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

It is not a de Polignac number, because 12012200205 - 2¹ = 12012200203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 800813347 = 12012200205 / (1 + 2 + 0 + 1 + 2 + 2 + 0 + 0 + 2 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012200203) 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 7 ways as a sum of consecutive naturals, for example, 400406659 + ... + 400406688.

It is an arithmetic number, because the mean of its divisors is an integer number (2402440044).

Almost surely, 2^12012200205 is an apocalyptic number.

12012200205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12012200205 is a deficient number, since it is larger than the sum of its proper divisors (7207320147).

12012200205 is an equidigital number, since it uses as much as digits as its factorization.

12012200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800813355.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 12012200205 its reverse (50200221021), we get a palindrome (62212421226).

The spelling of 12012200205 in words is "twelve billion, twelve million, two hundred thousand, two hundred five".