12022012022212 has 12 divisors (see below), whose sum is σ = 21040935712636. Its totient is φ = 6010316104320.

The previous prime is 12022012022203. The next prime is 12022012022327. The reversal of 12022012022212 is 21222021022021.

It can be written as a sum of positive squares in 2 ways, for example, as 11638236728196 + 383775294016 = 3411486^2 + 619496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12022012022212.

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 in 3 ways as a sum of consecutive naturals, for example, 172437489 + ... + 172507192.

Almost surely, 2^{12022012022212} is an apocalyptic number.

It is an amenable number.

12022012022212 is a deficient number, since it is larger than the sum of its proper divisors (9018923690424).

12022012022212 is a wasteful number, since it uses less digits than its factorization.

12022012022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344953398 (or 344953396 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12022012022212 its reverse (21222021022021), we get a palindrome (33244033044233).

The spelling of 12022012022212 in words is "twelve trillion, twenty-two billion, twelve million, twenty-two thousand, two hundred twelve".