1222020222112 has 24 divisors (see below), whose sum is σ = 2405981812500. Its totient is φ = 610977222144.

The previous prime is 1222020222097. The next prime is 1222020222133. The reversal of 1222020222112 is 2112220202221.

It can be written as a sum of positive squares in 2 ways, for example, as 1126561468816 + 95458753296 = 1061396^2 + 308964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1222020222112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418437 + ... + 1618372.

Almost surely, 2^{1222020222112} is an apocalyptic number.

It is an amenable number.

1222020222112 is a deficient number, since it is larger than the sum of its proper divisors (1183961590388).

1222020222112 is a wasteful number, since it uses less digits than its factorization.

1222020222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055568 (or 2055560 counting only the distinct ones).

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

Adding to 1222020222112 its reverse (2112220202221), we get a palindrome (3334240424333).

The spelling of 1222020222112 in words is "one trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred twelve".