212100112202200 has 48 divisors (see below), whose sum is σ = 493161578362080. Its totient is φ = 84835087032960.

The previous prime is 212100112202197. The next prime is 212100112202219. The reversal of 212100112202200 is 2202211001212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27554592 + ... + 34401391.

It is an arithmetic number, because the mean of its divisors is an integer number (10274199549210).

Almost surely, 2^{212100112202200} is an apocalyptic number.

212100112202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100112202200 is an abundant number, since it is smaller than the sum of its proper divisors (281061466159880).

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

212100112202200 is a wasteful number, since it uses less digits than its factorization.

212100112202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61973116 (or 61973107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212100112202200 its reverse (2202211001212), we get a palindrome (214302323203412).

The spelling of 212100112202200 in words is "two hundred twelve trillion, one hundred billion, one hundred twelve million, two hundred two thousand, two hundred".