1122221020012 has 48 divisors (see below), whose sum is σ = 1995529156992. Its totient is φ = 552148945920.

The previous prime is 1122221020007. The next prime is 1122221020033. The reversal of 1122221020012 is 2100201222211.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 56408587 + ... + 56428477.

It is an arithmetic number, because the mean of its divisors is an integer number (41573524104).

Almost surely, 2^{1122221020012} is an apocalyptic number.

It is an amenable number.

1122221020012 is a deficient number, since it is larger than the sum of its proper divisors (873308136980).

1122221020012 is a wasteful number, since it uses less digits than its factorization.

1122221020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20878 (or 20876 counting only the distinct ones).

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

Adding to 1122221020012 its reverse (2100201222211), we get a palindrome (3222422242223).

The spelling of 1122221020012 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty thousand, twelve".