2102200112212 has 12 divisors (see below), whose sum is σ = 3678860748276. Its totient is φ = 1051097041280.

The previous prime is 2102200111919. The next prime is 2102200112219. The reversal of 2102200112212 is 2122110022012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1474879086916 + 627321025296 = 1214446^2 + 792036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102200112219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1710012 + ... + 2669932.

It is an arithmetic number, because the mean of its divisors is an integer number (306571729023).

Almost surely, 2^{2102200112212} is an apocalyptic number.

It is an amenable number.

2102200112212 is a deficient number, since it is larger than the sum of its proper divisors (1576660636064).

2102200112212 is a wasteful number, since it uses less digits than its factorization.

2102200112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507418 (or 1507416 counting only the distinct ones).

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

Adding to 2102200112212 its reverse (2122110022012), we get a palindrome (4224310134224).

The spelling of 2102200112212 in words is "two trillion, one hundred two billion, two hundred million, one hundred twelve thousand, two hundred twelve".