1122221012012 has 6 divisors (see below), whose sum is σ = 1963886771028. Its totient is φ = 561110506004.

The previous prime is 1122221012009. The next prime is 1122221012047. The reversal of 1122221012012 is 2102101222211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140277626498 + ... + 140277626505.

It is an arithmetic number, because the mean of its divisors is an integer number (327314461838).

Almost surely, 2^{1122221012012} is an apocalyptic number.

It is an amenable number.

1122221012012 is a deficient number, since it is larger than the sum of its proper divisors (841665759016).

1122221012012 is a wasteful number, since it uses less digits than its factorization.

1122221012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280555253007 (or 280555253005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122221012012 its reverse (2102101222211), we get a palindrome (3224322234223).

The spelling of 1122221012012 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, twelve thousand, twelve".