12011013112100 has 36 divisors (see below), whose sum is σ = 26068485978864. Its totient is φ = 4803559618080.

The previous prime is 12011013112019. The next prime is 12011013112103. The reversal of 12011013112100 is 121131011021.

It is not an unprimeable number, because it can be changed into a prime (12011013112103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9999194 + ... + 11135793.

It is an arithmetic number, because the mean of its divisors is an integer number (724124610524).

Almost surely, 2^{12011013112100} is an apocalyptic number.

12011013112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011013112100 is an abundant number, since it is smaller than the sum of its proper divisors (14057472866764).

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

12011013112100 is a wasteful number, since it uses less digits than its factorization.

12011013112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21140684 (or 21140677 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12011013112100 its reverse (121131011021), we get a palindrome (12132144123121).

The spelling of 12011013112100 in words is "twelve trillion, eleven billion, thirteen million, one hundred twelve thousand, one hundred".