12012211200100 has 18 divisors (see below), whose sum is σ = 26066498304434. Its totient is φ = 4804884480000.

The previous prime is 12012211200013. The next prime is 12012211200107. The reversal of 12012211200100 is 100211221021.

12012211200100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 167091277824 + 11845119922276 = 408768^2 + 3441674^2 .

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60061055901 + ... + 60061056100.

Almost surely, 2^{12012211200100} is an apocalyptic number.

12012211200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012211200100 is an abundant number, since it is smaller than the sum of its proper divisors (14054287104334).

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

12012211200100 is a wasteful number, since it uses less digits than its factorization.

12012211200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120122112015 (or 120122112008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012211200100 its reverse (100211221021), we get a palindrome (12112422421121).

It can be divided in two parts, 12012 and 211200100, that added together give a palindrome (211212112).

The spelling of 12012211200100 in words is "twelve trillion, twelve billion, two hundred eleven million, two hundred thousand, one hundred".