12210222000212 has 6 divisors (see below), whose sum is σ = 21367888500378. Its totient is φ = 6105111000104.

The previous prime is 12210222000157. The next prime is 12210222000217. The reversal of 12210222000212 is 21200022201221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9717347314756 + 2492874685456 = 3117266^2 + 1578884^2 .

It is a super-2 number, since 2×12210222000212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210222000217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526277750023 + ... + 1526277750030.

It is an arithmetic number, because the mean of its divisors is an integer number (3561314750063).

Almost surely, 2^{12210222000212} is an apocalyptic number.

It is an amenable number.

12210222000212 is a deficient number, since it is larger than the sum of its proper divisors (9157666500166).

12210222000212 is a wasteful number, since it uses less digits than its factorization.

12210222000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052555500057 (or 3052555500055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12210222000212 its reverse (21200022201221), we get a palindrome (33410244201433).

The spelling of 12210222000212 in words is "twelve trillion, two hundred ten billion, two hundred twenty-two million, two hundred twelve", and thus it is an aban number.