12021021131120 has 40 divisors (see below), whose sum is σ = 27968710356720. Its totient is φ = 4804995768320.

The previous prime is 12021021131089. The next prime is 12021021131149. The reversal of 12021021131120 is 2113112012021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53209766 + ... + 53435205.

It is an arithmetic number, because the mean of its divisors is an integer number (699217758918).

Almost surely, 2^{12021021131120} is an apocalyptic number.

12021021131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021021131120 is an abundant number, since it is smaller than the sum of its proper divisors (15947689225600).

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

12021021131120 is a wasteful number, since it uses less digits than its factorization.

12021021131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106646393 (or 106646387 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12021021131120 its reverse (2113112012021), we get a palindrome (14134133143141).

The spelling of 12021021131120 in words is "twelve trillion, twenty-one billion, twenty-one million, one hundred thirty-one thousand, one hundred twenty".