12031200032020 has 96 divisors (see below), whose sum is σ = 27875120426496. Its totient is φ = 4333557580800.

The previous prime is 12031200031969. The next prime is 12031200032063. The reversal of 12031200032020 is 2023000213021.

It is a junction number, because it is equal to n+sod(n) for n = 12031200031985 and 12031200032003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138611235 + ... + 138698005.

It is an arithmetic number, because the mean of its divisors is an integer number (290365837776).

Almost surely, 2^{12031200032020} is an apocalyptic number.

12031200032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031200032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13937560213248).

12031200032020 is an abundant number, since it is smaller than the sum of its proper divisors (15843920394476).

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

12031200032020 is a wasteful number, since it uses less digits than its factorization.

12031200032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99841 (or 99839 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12031200032020 its reverse (2023000213021), we get a palindrome (14054200245041).

The spelling of 12031200032020 in words is "twelve trillion, thirty-one billion, two hundred million, thirty-two thousand, twenty".