12222110012212 has 12 divisors (see below), whose sum is σ = 21391142323936. Its totient is φ = 6110355062520.

The previous prime is 12222110012197. The next prime is 12222110012257. The reversal of 12222110012212 is 21221001122221.

12222110012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12222110012212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12222110012212.

It is a congruent number.

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, 174946608 + ... + 175016455.

Almost surely, 2^{12222110012212} is an apocalyptic number.

It is an amenable number.

12222110012212 is a deficient number, since it is larger than the sum of its proper divisors (9169032311724).

12222110012212 is a wasteful number, since it uses less digits than its factorization.

12222110012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349971798 (or 349971796 counting only the distinct ones).

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

Adding to 12222110012212 its reverse (21221001122221), we get a palindrome (33443111134433).

The spelling of 12222110012212 in words is "twelve trillion, two hundred twenty-two billion, one hundred ten million, twelve thousand, two hundred twelve".