212200102105 has 8 divisors (see below), whose sum is σ = 254642803272. Its totient is φ = 169758294528.

The previous prime is 212200102061. The next prime is 212200102111. The reversal of 212200102105 is 501201002212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9286791424 + 202913310681 = 96368^2 + 450459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212200102105 - 2²⁷ = 212065884377 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 530067 + ... + 839863.

It is an arithmetic number, because the mean of its divisors is an integer number (31830350409).

Almost surely, 2^212200102105 is an apocalyptic number.

It is an amenable number.

212200102105 is a deficient number, since it is larger than the sum of its proper divisors (42442701167).

212200102105 is a wasteful number, since it uses less digits than its factorization.

212200102105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446795.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 212200102105 its reverse (501201002212), we get a palindrome (713401104317).

The spelling of 212200102105 in words is "two hundred twelve billion, two hundred million, one hundred two thousand, one hundred five".