12011571110100 has 72 divisors (see below), whose sum is σ = 34759405707040. Its totient is φ = 3202539396480.

The previous prime is 12011571110027. The next prime is 12011571110101. The reversal of 12011571110100 is 101117511021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011571110101) 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, 1650322 + ... + 5171721.

Almost surely, 2^{12011571110100} is an apocalyptic number.

12011571110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011571110100 is an abundant number, since it is smaller than the sum of its proper divisors (22747834596940).

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

12011571110100 is a wasteful number, since it uses less digits than its factorization.

12011571110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827929 (or 6827922 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 21.

Adding to 12011571110100 its reverse (101117511021), we get a palindrome (12112688621121).

The spelling of 12011571110100 in words is "twelve trillion, eleven billion, five hundred seventy-one million, one hundred ten thousand, one hundred".