1222001012212 has 12 divisors (see below), whose sum is σ = 2251054496320. Its totient is φ = 578842584696.

The previous prime is 1222001012203. The next prime is 1222001012233. The reversal of 1222001012212 is 2122101002221.

It is a happy number.

It is a congruent number.

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, 8039480268 + ... + 8039480419.

Almost surely, 2^{1222001012212} is an apocalyptic number.

It is an amenable number.

1222001012212 is a deficient number, since it is larger than the sum of its proper divisors (1029053484108).

1222001012212 is a wasteful number, since it uses less digits than its factorization.

1222001012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16078960710 (or 16078960708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222001012212 its reverse (2122101002221), we get a palindrome (3344102014433).

Subtracting 1222001012212 from its reverse (2122101002221), we obtain a palindrome (900099990009).

The spelling of 1222001012212 in words is "one trillion, two hundred twenty-two billion, one million, twelve thousand, two hundred twelve".