20112212200200 has 48 divisors (see below), whose sum is σ = 62347857822480. Its totient is φ = 5363256586560.

The previous prime is 20112212200193. The next prime is 20112212200229. The reversal of 20112212200200 is 200221221102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20112212200200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16760176234 + ... + 16760177433.

It is an arithmetic number, because the mean of its divisors is an integer number (1298913704635).

Almost surely, 2^{20112212200200} is an apocalyptic number.

20112212200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112212200200 is an abundant number, since it is smaller than the sum of its proper divisors (42235645622280).

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

20112212200200 is a wasteful number, since it uses less digits than its factorization.

20112212200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33520353686 (or 33520353677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20112212200200 its reverse (200221221102), we get a palindrome (20312433421302).

The spelling of 20112212200200 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, two hundred thousand, two hundred".