12012201112100 has 72 divisors (see below), whose sum is σ = 29923847751168. Its totient is φ = 4100000428800.

The previous prime is 12012201112039. The next prime is 12012201112183. The reversal of 12012201112100 is 121110221021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38319881 + ... + 38632080.

It is an arithmetic number, because the mean of its divisors is an integer number (415608996544).

Almost surely, 2^{12012201112100} is an apocalyptic number.

12012201112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012201112100 is an abundant number, since it is smaller than the sum of its proper divisors (17911646639068).

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

12012201112100 is a wasteful number, since it uses less digits than its factorization.

12012201112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76952205 (or 76952198 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012201112100 its reverse (121110221021), we get a palindrome (12133311333121).

The spelling of 12012201112100 in words is "twelve trillion, twelve billion, two hundred one million, one hundred twelve thousand, one hundred".