12201110222212 has 12 divisors (see below), whose sum is σ = 21406832204940. Its totient is φ = 6084872449376.

The previous prime is 12201110222177. The next prime is 12201110222261. The reversal of 12201110222212 is 21222201110221.

It can be written as a sum of positive squares in 2 ways, for example, as 2813590245376 + 9387519976836 = 1677376^2 + 3063906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12201110222212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3920663683 + ... + 3920666794.

It is an arithmetic number, because the mean of its divisors is an integer number (1783902683745).

Almost surely, 2^{12201110222212} is an apocalyptic number.

It is an amenable number.

12201110222212 is a deficient number, since it is larger than the sum of its proper divisors (9205721982728).

12201110222212 is a wasteful number, since it uses less digits than its factorization.

12201110222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841330870 (or 7841330868 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12201110222212 its reverse (21222201110221), we get a palindrome (33423311332433).

The spelling of 12201110222212 in words is "twelve trillion, two hundred one billion, one hundred ten million, two hundred twenty-two thousand, two hundred twelve".