1222011222412 has 12 divisors (see below), whose sum is σ = 2207504143936. Its totient is φ = 591295752720.

The previous prime is 1222011222349. The next prime is 1222011222437. The reversal of 1222011222412 is 2142221102221.

It is a super-2 number, since 2×1222011222412² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4927464483 + ... + 4927464730.

Almost surely, 2^{1222011222412} is an apocalyptic number.

It is an amenable number.

1222011222412 is a deficient number, since it is larger than the sum of its proper divisors (985492921524).

1222011222412 is a wasteful number, since it uses less digits than its factorization.

1222011222412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9854929248 (or 9854929246 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1222011222412 its reverse (2142221102221), we get a palindrome (3364232324633).

The spelling of 1222011222412 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, four hundred twelve".