12021131000120 has 64 divisors (see below), whose sum is σ = 29683097740800. Its totient is φ = 4345144766080.

The previous prime is 12021131000077. The next prime is 12021131000141. The reversal of 12021131000120 is 2100013112021.

It is a junction number, because it is equal to n+sod(n) for n = 12021131000095 and 12021131000104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81725180 + ... + 81872139.

It is an arithmetic number, because the mean of its divisors is an integer number (463798402200).

Almost surely, 2^{12021131000120} is an apocalyptic number.

12021131000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021131000120 is an abundant number, since it is smaller than the sum of its proper divisors (17661966740680).

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

12021131000120 is a wasteful number, since it uses less digits than its factorization.

12021131000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163597508 (or 163597504 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12021131000120 its reverse (2100013112021), we get a palindrome (14121144112141).

The spelling of 12021131000120 in words is "twelve trillion, twenty-one billion, one hundred thirty-one million, one hundred twenty", and thus it is an aban number.