12011100220120 has 64 divisors (see below), whose sum is σ = 28447822216800. Its totient is φ = 4551498086400.

The previous prime is 12011100220073. The next prime is 12011100220127. The reversal of 12011100220120 is 2102200111021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011100220120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011100220127) 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, 67655470 + ... + 67832770.

Almost surely, 2^{12011100220120} is an apocalyptic number.

12011100220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011100220120 is an abundant number, since it is smaller than the sum of its proper divisors (16436721996680).

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

12011100220120 is a wasteful number, since it uses less digits than its factorization.

12011100220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266468 (or 266464 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12011100220120 its reverse (2102200111021), we get a palindrome (14113300331141).

The spelling of 12011100220120 in words is "twelve trillion, eleven billion, one hundred million, two hundred twenty thousand, one hundred twenty".