12100101101212 has 24 divisors (see below), whose sum is σ = 21479571695232. Its totient is φ = 5963129449200.

The previous prime is 12100101101191. The next prime is 12100101101213. The reversal of 12100101101212 is 21210110100121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12100101101192 and 12100101101201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100101101213) 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, 5110818 + ... + 7093705.

It is an arithmetic number, because the mean of its divisors is an integer number (894982153968).

Almost surely, 2^{12100101101212} is an apocalyptic number.

It is an amenable number.

12100101101212 is a deficient number, since it is larger than the sum of its proper divisors (9379470594020).

12100101101212 is a wasteful number, since it uses less digits than its factorization.

12100101101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12208089 (or 12208087 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12100101101212 its reverse (21210110100121), we get a palindrome (33310211201333).

The spelling of 12100101101212 in words is "twelve trillion, one hundred billion, one hundred one million, one hundred one thousand, two hundred twelve".