2223213020212 has 6 divisors (see below), whose sum is σ = 3890622785378. Its totient is φ = 1111606510104.

The previous prime is 2223213020137. The next prime is 2223213020213. The reversal of 2223213020212 is 2120203123222.

It can be written as a sum of positive squares in only one way, i.e., 1989301501476 + 233911518736 = 1410426^2 + 483644^2 .

It is a super-2 number, since 2×2223213020212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223213020213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277901627523 + ... + 277901627530.

Almost surely, 2^{2223213020212} is an apocalyptic number.

It is an amenable number.

2223213020212 is a deficient number, since it is larger than the sum of its proper divisors (1667409765166).

2223213020212 is a wasteful number, since it uses less digits than its factorization.

2223213020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555803255057 (or 555803255055 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2223213020212 its reverse (2120203123222), we get a palindrome (4343416143434).

The spelling of 2223213020212 in words is "two trillion, two hundred twenty-three billion, two hundred thirteen million, twenty thousand, two hundred twelve".