1223222342212 has 24 divisors (see below), whose sum is σ = 2305333768472. Its totient is φ = 564556780800.

The previous prime is 1223222342183. The next prime is 1223222342213. The reversal of 1223222342212 is 2122432223221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3598080256 + 1219624261956 = 59984^2 + 1104366^2 .

It is a super-2 number, since 2×1223222342212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223222342213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396912 + ... + 7560472.

Almost surely, 2^{1223222342212} is an apocalyptic number.

It is an amenable number.

1223222342212 is a deficient number, since it is larger than the sum of its proper divisors (1082111426260).

1223222342212 is a wasteful number, since it uses less digits than its factorization.

1223222342212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307399 (or 307397 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 1223222342212 its reverse (2122432223221), we get a palindrome (3345654565433).

The spelling of 1223222342212 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, three hundred forty-two thousand, two hundred twelve".