12012110200020 has 96 divisors (see below), whose sum is σ = 38569943317248. Its totient is φ = 2736254426112.

The previous prime is 12012110200019. The next prime is 12012110200063. The reversal of 12012110200020 is 2000201121021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12012110199969 and 12012110200005.

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, 48682849 + ... + 48928968.

It is an arithmetic number, because the mean of its divisors is an integer number (401770242888).

Almost surely, 2^{12012110200020} is an apocalyptic number.

12012110200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012110200020 is an abundant number, since it is smaller than the sum of its proper divisors (26557833117228).

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

12012110200020 is a wasteful number, since it uses less digits than its factorization.

12012110200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97612129 (or 97612127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012110200020 its reverse (2000201121021), we get a palindrome (14012311321041).

The spelling of 12012110200020 in words is "twelve trillion, twelve billion, one hundred ten million, two hundred thousand, twenty".