12223231202212 has 6 divisors (see below), whose sum is σ = 21390654603878. Its totient is φ = 6111615601104.

The previous prime is 12223231202191. The next prime is 12223231202243. The reversal of 12223231202212 is 21220213232221.

It can be written as a sum of positive squares in only one way, i.e., 8937074376036 + 3286156826176 = 2989494^2 + 1812776^2 .

It is an unprimeable number.

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, 1527903900273 + ... + 1527903900280.

Almost surely, 2^{12223231202212} is an apocalyptic number.

It is an amenable number.

12223231202212 is a deficient number, since it is larger than the sum of its proper divisors (9167423401666).

12223231202212 is a wasteful number, since it uses less digits than its factorization.

12223231202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055807800557 (or 3055807800555 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12223231202212 its reverse (21220213232221), we get a palindrome (33443444434433).

The spelling of 12223231202212 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, two hundred two thousand, two hundred twelve".