1002200100212 has 12 divisors (see below), whose sum is σ = 1771931105700. Its totient is φ = 495934070016.

The previous prime is 1002200100211. The next prime is 1002200100229. The reversal of 1002200100212 is 2120010022001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 350376389476 + 651823710736 = 591926^2 + 807356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002200100193 and 1002200100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002200100211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291494587 + ... + 1291495362.

It is an arithmetic number, because the mean of its divisors is an integer number (147660925475).

Almost surely, 2^{1002200100212} is an apocalyptic number.

It is an amenable number.

1002200100212 is a deficient number, since it is larger than the sum of its proper divisors (769731005488).

1002200100212 is a wasteful number, since it uses less digits than its factorization.

1002200100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582990050 (or 2582990048 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002200100212 its reverse (2120010022001), we get a palindrome (3122210122213).

The spelling of 1002200100212 in words is "one trillion, two billion, two hundred million, one hundred thousand, two hundred twelve".