10221200212 has 12 divisors (see below), whose sum is σ = 17888823316. Its totient is φ = 5110107840.

The previous prime is 10221200203. The next prime is 10221200219. The reversal of 10221200212 is 21200212201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6684043536 + 3537156676 = 81756^2 + 59474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10221200192 and 10221200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221200219) 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, 74193 + ... + 161080.

Almost surely, 2^10221200212 is an apocalyptic number.

It is an amenable number.

10221200212 is a deficient number, since it is larger than the sum of its proper divisors (7667623104).

10221200212 is a wasteful number, since it uses less digits than its factorization.

10221200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246138 (or 246136 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10221200212 its reverse (21200212201), we get a palindrome (31421412413).

The spelling of 10221200212 in words is "ten billion, two hundred twenty-one million, two hundred thousand, two hundred twelve".