1222001010212 has 6 divisors (see below), whose sum is σ = 2138501767878. Its totient is φ = 611000505104.

The previous prime is 1222001010163. The next prime is 1222001010227. The reversal of 1222001010212 is 2120101002221.

It can be written as a sum of positive squares in only one way, i.e., 1056405729856 + 165595280356 = 1027816^2 + 406934^2 .

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 as a sum of consecutive naturals, namely, 152750126273 + ... + 152750126280.

It is an arithmetic number, because the mean of its divisors is an integer number (356416961313).

Almost surely, 2^{1222001010212} is an apocalyptic number.

It is an amenable number.

1222001010212 is a deficient number, since it is larger than the sum of its proper divisors (916500757666).

1222001010212 is a wasteful number, since it uses less digits than its factorization.

1222001010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305500252557 (or 305500252555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1222001010212 its reverse (2120101002221), we get a palindrome (3342102012433).

The spelling of 1222001010212 in words is "one trillion, two hundred twenty-two billion, one million, ten thousand, two hundred twelve".