12011133110220 has 48 divisors (see below), whose sum is σ = 37367969677920. Its totient is φ = 3202968829248.

The previous prime is 12011133110189. The next prime is 12011133110227. The reversal of 12011133110220 is 2201133111021.

12011133110220 is a `hidden beast` number, since 1 + 2 + 0 + 111 + 331 + 1 + 0 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12011133110193 and 12011133110202.

It is not an unprimeable number, because it can be changed into a prime (12011133110227) 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 15 ways as a sum of consecutive naturals, for example, 11121419007 + ... + 11121420086.

It is an arithmetic number, because the mean of its divisors is an integer number (778499368290).

Almost surely, 2^{12011133110220} is an apocalyptic number.

12011133110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011133110220 is an abundant number, since it is smaller than the sum of its proper divisors (25356836567700).

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

12011133110220 is a wasteful number, since it uses less digits than its factorization.

12011133110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22242839111 (or 22242839103 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12011133110220 its reverse (2201133111021), we get a palindrome (14212266221241).

The spelling of 12011133110220 in words is "twelve trillion, eleven billion, one hundred thirty-three million, one hundred ten thousand, two hundred twenty".