12011100231104 has 112 divisors (see below), whose sum is σ = 27182432003328. Its totient is φ = 5216608370688.

The previous prime is 12011100231089. The next prime is 12011100231107. The reversal of 12011100231104 is 40113200111021.

12011100231104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011100231107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87242129 + ... + 87379695.

It is an arithmetic number, because the mean of its divisors is an integer number (242700285744).

Almost surely, 2^{12011100231104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011100231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13591216001664).

12011100231104 is an abundant number, since it is smaller than the sum of its proper divisors (15171331772224).

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

12011100231104 is a wasteful number, since it uses less digits than its factorization.

12011100231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143782 (or 143772 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011100231104 its reverse (40113200111021), we get a palindrome (52124300342125).

The spelling of 12011100231104 in words is "twelve trillion, eleven billion, one hundred million, two hundred thirty-one thousand, one hundred four".