1222000022212 has 12 divisors (see below), whose sum is σ = 2138577332220. Its totient is φ = 610977927296.

The previous prime is 1222000022207. The next prime is 1222000022291. The reversal of 1222000022212 is 2122200002221.

It can be written as a sum of positive squares in 2 ways, for example, as 1010238071236 + 211761950976 = 1005106^2 + 460176^2 .

It is a super-2 number, since 2×1222000022212² (a number of 25 digits) contains 22 as substring.

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, 5396137 + ... + 5618032.

It is an arithmetic number, because the mean of its divisors is an integer number (178214777685).

Almost surely, 2^{1222000022212} is an apocalyptic number.

It is an amenable number.

1222000022212 is a deficient number, since it is larger than the sum of its proper divisors (916577310008).

1222000022212 is a wasteful number, since it uses less digits than its factorization.

1222000022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041910 (or 11041908 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222000022212 its reverse (2122200002221), we get a palindrome (3344200024433).

It can be divided in two parts, 122200002221 and 2, that multiplied together give a palindrome (244400004442).

The spelling of 1222000022212 in words is "one trillion, two hundred twenty-two billion, twenty-two thousand, two hundred twelve".