1220222022112 has 24 divisors (see below), whose sum is σ = 2402387320536. Its totient is φ = 610091908992.

The previous prime is 1220222022029. The next prime is 1220222022203. The reversal of 1220222022112 is 2112202220221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220222022112.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 470458 + ... + 1631494.

It is an arithmetic number, because the mean of its divisors is an integer number (100099471689).

Almost surely, 2^{1220222022112} is an apocalyptic number.

It is an amenable number.

1220222022112 is a deficient number, since it is larger than the sum of its proper divisors (1182165298424).

1220222022112 is a wasteful number, since it uses less digits than its factorization.

1220222022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193890 (or 1193882 counting only the distinct ones).

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

Adding to 1220222022112 its reverse (2112202220221), we get a palindrome (3332424242333).

The spelling of 1220222022112 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, twenty-two thousand, one hundred twelve".