20012110312200 has 96 divisors (see below), whose sum is σ = 65302675792800. Its totient is φ = 5055691023360.

The previous prime is 20012110312193. The next prime is 20012110312247. The reversal of 20012110312200 is 221301121002.

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 20012110312200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 877712737 + ... + 877735536.

It is an arithmetic number, because the mean of its divisors is an integer number (680236206175).

Almost surely, 2^{20012110312200} is an apocalyptic number.

20012110312200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012110312200 is an abundant number, since it is smaller than the sum of its proper divisors (45290565480600).

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

20012110312200 is a wasteful number, since it uses less digits than its factorization.

20012110312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755448311 (or 1755448302 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20012110312200 its reverse (221301121002), we get a palindrome (20233411433202).

The spelling of 20012110312200 in words is "twenty trillion, twelve billion, one hundred ten million, three hundred twelve thousand, two hundred".