12012211200108 has 24 divisors (see below), whose sum is σ = 32032563200512. Its totient is φ = 3432060342864.

The previous prime is 12012211200107. The next prime is 12012211200133. The reversal of 12012211200108 is 80100211221021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12012211200107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71501257060 + ... + 71501257227.

Almost surely, 2^{12012211200108} is an apocalyptic number.

It is an amenable number.

12012211200108 is an abundant number, since it is smaller than the sum of its proper divisors (20020352000404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012211200108 is a wasteful number, since it uses less digits than its factorization.

12012211200108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143002514301 (or 143002514299 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 12012211200108 its reverse (80100211221021), we get a palindrome (92112422421129).

The spelling of 12012211200108 in words is "twelve trillion, twelve billion, two hundred eleven million, two hundred thousand, one hundred eight".