212203111200 has 144 divisors (see below), whose sum is σ = 727075026720. Its totient is φ = 53609195520.

The previous prime is 212203111193. The next prime is 212203111223. The reversal of 212203111200 is 2111302212.

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 212203111200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2281189 + ... + 2372388.

It is an arithmetic number, because the mean of its divisors is an integer number (5049132130).

Almost surely, 2^212203111200 is an apocalyptic number.

212203111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212203111200 is an abundant number, since it is smaller than the sum of its proper divisors (514871915520).

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

212203111200 is a wasteful number, since it uses less digits than its factorization.

212203111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653619 (or 4653606 counting only the distinct ones).

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

Adding to 212203111200 its reverse (2111302212), we get a palindrome (214314413412).

The spelling of 212203111200 in words is "two hundred twelve billion, two hundred three million, one hundred eleven thousand, two hundred".