12012111022120 has 64 divisors (see below), whose sum is σ = 29679532755840. Its totient is φ = 4339112928000.

The previous prime is 12012111022063. The next prime is 12012111022127. The reversal of 12012111022120 is 2122011121021.

It is a super-2 number, since 2×12012111022120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012111022094 and 12012111022103.

It is not an unprimeable number, because it can be changed into a prime (12012111022127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 90331747 + ... + 90464626.

It is an arithmetic number, because the mean of its divisors is an integer number (463742699310).

Almost surely, 2^{12012111022120} is an apocalyptic number.

12012111022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012111022120 is an abundant number, since it is smaller than the sum of its proper divisors (17667421733720).

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

12012111022120 is a wasteful number, since it uses less digits than its factorization.

12012111022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180796546 (or 180796542 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012111022120 its reverse (2122011121021), we get a palindrome (14134122143141).

The spelling of 12012111022120 in words is "twelve trillion, twelve billion, one hundred eleven million, twenty-two thousand, one hundred twenty".