12011012011120 has 20 divisors (see below), whose sum is σ = 27925602926040. Its totient is φ = 4804404804416.

The previous prime is 12011012011111. The next prime is 12011012011133. The reversal of 12011012011120 is 2111021011021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 12011012011120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75068824990 + ... + 75068825149.

It is an arithmetic number, because the mean of its divisors is an integer number (1396280146302).

Almost surely, 2^{12011012011120} is an apocalyptic number.

12011012011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011012011120 is an abundant number, since it is smaller than the sum of its proper divisors (15914590914920).

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

12011012011120 is a wasteful number, since it uses less digits than its factorization.

12011012011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150137650152 (or 150137650146 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011012011120 its reverse (2111021011021), we get a palindrome (14122033022141).

The spelling of 12011012011120 in words is "twelve trillion, eleven billion, twelve million, eleven thousand, one hundred twenty".