10222210212212 has 6 divisors (see below), whose sum is σ = 17888867871378. Its totient is φ = 5111105106104.

The previous prime is 10222210212211. The next prime is 10222210212239. The reversal of 10222210212212 is 21221201222201.

It can be written as a sum of positive squares in only one way, i.e., 7376362674916 + 2845847537296 = 2715946^2 + 1686964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222210212211) 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 as a sum of consecutive naturals, namely, 1277776276523 + ... + 1277776276530.

It is an arithmetic number, because the mean of its divisors is an integer number (2981477978563).

Almost surely, 2^{10222210212212} is an apocalyptic number.

It is an amenable number.

10222210212212 is a deficient number, since it is larger than the sum of its proper divisors (7666657659166).

10222210212212 is a wasteful number, since it uses less digits than its factorization.

10222210212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555552553057 (or 2555552553055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10222210212212 its reverse (21221201222201), we get a palindrome (31443411434413).

The spelling of 10222210212212 in words is "ten trillion, two hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".