20121112020200 has 192 divisors, whose sum is σ = 51427302192000. Its totient is φ = 7287296163840.

The previous prime is 20121112020167. The next prime is 20121112020203. The reversal of 20121112020200 is 202021112102.

It is not an unprimeable number, because it can be changed into a prime (20121112020203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106271216 + ... + 106460384.

It is an arithmetic number, because the mean of its divisors is an integer number (267850532250).

Almost surely, 2^{20121112020200} is an apocalyptic number.

20121112020200 is a gapful number since it is divisible by the number (20) 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 20121112020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25713651096000).

20121112020200 is an abundant number, since it is smaller than the sum of its proper divisors (31306190171800).

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

20121112020200 is a wasteful number, since it uses less digits than its factorization.

20121112020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190444 (or 190435 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20121112020200 its reverse (202021112102), we get a palindrome (20323133132302).

The spelling of 20121112020200 in words is "twenty trillion, one hundred twenty-one billion, one hundred twelve million, twenty thousand, two hundred".