212100002202112 has 40 divisors (see below), whose sum is σ = 423834360364800. Its totient is φ = 106037835777024.

The previous prime is 212100002202037. The next prime is 212100002202149. The reversal of 212100002202112 is 211202200001212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19291912 + ... + 28220167.

It is an arithmetic number, because the mean of its divisors is an integer number (10595859009120).

Almost surely, 2^{212100002202112} is an apocalyptic number.

It is an amenable number.

212100002202112 is a deficient number, since it is larger than the sum of its proper divisors (211734358162688).

212100002202112 is an frugal number, since it uses more digits than its factorization.

212100002202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47520816 (or 47520800 counting only the distinct ones).

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

Adding to 212100002202112 its reverse (211202200001212), we get a palindrome (423302202203324).

The spelling of 212100002202112 in words is "two hundred twelve trillion, one hundred billion, two million, two hundred two thousand, one hundred twelve".