12201331122212 has 12 divisors (see below), whose sum is σ = 21352545444636. Its totient is φ = 6100603852320.

The previous prime is 12201331122191. The next prime is 12201331122223. The reversal of 12201331122212 is 21222113310221.

It can be written as a sum of positive squares in 2 ways, for example, as 1769309663716 + 10432021458496 = 1330154^2 + 3229864^2 .

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, 14980883 + ... + 15774330.

It is an arithmetic number, because the mean of its divisors is an integer number (1779378787053).

Almost surely, 2^{12201331122212} is an apocalyptic number.

It is an amenable number.

12201331122212 is a deficient number, since it is larger than the sum of its proper divisors (9151214322424).

12201331122212 is a wasteful number, since it uses less digits than its factorization.

12201331122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30854398 (or 30854396 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12201331122212 its reverse (21222113310221), we get a palindrome (33423444432433).

The spelling of 12201331122212 in words is "twelve trillion, two hundred one billion, three hundred thirty-one million, one hundred twenty-two thousand, two hundred twelve".