1220002002200 has 24 divisors (see below), whose sum is σ = 2836504655580. Its totient is φ = 488000800800.

The previous prime is 1220002002181. The next prime is 1220002002209. The reversal of 1220002002200 is 22002000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002002209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3050004806 + ... + 3050005205.

Almost surely, 2^{1220002002200} is an apocalyptic number.

1220002002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220002002200 is an abundant number, since it is smaller than the sum of its proper divisors (1616502653380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220002002200 is a wasteful number, since it uses less digits than its factorization.

1220002002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100010027 (or 6100010018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 1220002002200 its reverse (22002000221), we get a palindrome (1242004002421).

The spelling of 1220002002200 in words is "one trillion, two hundred twenty billion, two million, two thousand, two hundred".