1222222012012 has 24 divisors (see below), whose sum is σ = 2142294308000. Its totient is φ = 610138676736.

The previous prime is 1222222011979. The next prime is 1222222012019. The reversal of 1222222012012 is 2102102222221.

It is a super-2 number, since 2×1222222012012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222222012019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6493564 + ... + 6679132.

Almost surely, 2^{1222222012012} is an apocalyptic number.

It is an amenable number.

1222222012012 is a deficient number, since it is larger than the sum of its proper divisors (920072295988).

1222222012012 is a wasteful number, since it uses less digits than its factorization.

1222222012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188185 (or 188183 counting only the distinct ones).

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

Adding to 1222222012012 its reverse (2102102222221), we get a palindrome (3324324234233).

The spelling of 1222222012012 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, twelve thousand, twelve".