2212541421200 has 60 divisors (see below), whose sum is σ = 5798869936368. Its totient is φ = 804560515200.

The previous prime is 2212541421191. The next prime is 2212541421227. The reversal of 2212541421200 is 21241452122.

It is a self number, because there is not a number n which added to its sum of digits gives 2212541421200.

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, 251420762 + ... + 251429561.

Almost surely, 2^{2212541421200} is an apocalyptic number.

2212541421200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212541421200 is an abundant number, since it is smaller than the sum of its proper divisors (3586328515168).

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

2212541421200 is a wasteful number, since it uses less digits than its factorization.

2212541421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502850352 (or 502850341 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 2212541421200 its reverse (21241452122), we get a palindrome (2233782873322).

The spelling of 2212541421200 in words is "two trillion, two hundred twelve billion, five hundred forty-one million, four hundred twenty-one thousand, two hundred".