12012100200012 has 72 divisors (see below), whose sum is σ = 30980005156800. Its totient is φ = 3619694920160.

The previous prime is 12012100200011. The next prime is 12012100200013. The reversal of 12012100200012 is 21000200121021.

It is an interprime number because it is at equal distance from previous prime (12012100200011) and next prime (12012100200013).

It is a super-3 number, since 3×12012100200012³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12012100200011) 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 23 ways as a sum of consecutive naturals, for example, 22848462 + ... + 23368277.

It is an arithmetic number, because the mean of its divisors is an integer number (430277849400).

Almost surely, 2^{12012100200012} is an apocalyptic number.

12012100200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012100200012 is an abundant number, since it is smaller than the sum of its proper divisors (18967904956788).

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

12012100200012 is a wasteful number, since it uses less digits than its factorization.

12012100200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46216947 (or 46216934 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012100200012 its reverse (21000200121021), we get a palindrome (33012300321033).

The spelling of 12012100200012 in words is "twelve trillion, twelve billion, one hundred million, two hundred thousand, twelve".