12011230111120 has 80 divisors (see below), whose sum is σ = 27952157376000. Its totient is φ = 4800012940800.

The previous prime is 12011230111091. The next prime is 12011230111129. The reversal of 12011230111120 is 2111103211021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12011230111094 and 12011230111103.

It is not an unprimeable number, because it can be changed into a prime (12011230111129) 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, 411455725 + ... + 411484915.

It is an arithmetic number, because the mean of its divisors is an integer number (349401967200).

Almost surely, 2^{12011230111120} is an apocalyptic number.

12011230111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011230111120 is an abundant number, since it is smaller than the sum of its proper divisors (15940927264880).

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

12011230111120 is a wasteful number, since it uses less digits than its factorization.

12011230111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33824 (or 33818 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12011230111120 its reverse (2111103211021), we get a palindrome (14122333322141).

The spelling of 12011230111120 in words is "twelve trillion, eleven billion, two hundred thirty million, one hundred eleven thousand, one hundred twenty".