1200002200 has 24 divisors (see below), whose sum is σ = 2790005580. Its totient is φ = 480000800.

The previous prime is 1200002197. The next prime is 1200002201. The reversal of 1200002200 is 22000021.

It is a happy number.

1200002200 is a modest number, since divided by 2200 gives 1200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200002201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2999806 + ... + 3000205.

Almost surely, 2^1200002200 is an apocalyptic number.

1200002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200002200 is an abundant number, since it is smaller than the sum of its proper divisors (1590003380).

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

1200002200 is a wasteful number, since it uses less digits than its factorization.

1200002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000027 (or 6000018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1200002200 is about 34641.0479056278. The cubic root of 1200002200 is about 1062.6592185847.

Adding to 1200002200 its reverse (22000021), we get a palindrome (1222002221).

The spelling of 1200002200 in words is "one billion, two hundred million, two thousand, two hundred".