12012200011 has 24 divisors (see below), whose sum is σ = 14065163136. Its totient is φ = 10228780800.

The previous prime is 12012199933. The next prime is 12012200029. The reversal of 12012200011 is 11000221021.

It is not a de Polignac number, because 12012200011 - 2⁹ = 12012199499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012200411) 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 23 ways as a sum of consecutive naturals, for example, 5441670 + ... + 5443876.

It is an arithmetic number, because the mean of its divisors is an integer number (586048464).

Almost surely, 2^12012200011 is an apocalyptic number.

12012200011 is a deficient number, since it is larger than the sum of its proper divisors (2052963125).

12012200011 is a wasteful number, since it uses less digits than its factorization.

12012200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12012200011 its reverse (11000221021), we get a palindrome (23012421032).

The spelling of 12012200011 in words is "twelve billion, twelve million, two hundred thousand, eleven".