1200200002 has 16 divisors (see below), whose sum is σ = 1814295672. Its totient is φ = 595445760.

The previous prime is 1200199997. The next prime is 1200200021. The reversal of 1200200002 is 2000020021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 795747681 + 404452321 = 28209^2 + 20111^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 265602 + ... + 270082.

Almost surely, 2^1200200002 is an apocalyptic number.

1200200002 is a deficient number, since it is larger than the sum of its proper divisors (614095670).

1200200002 is a wasteful number, since it uses less digits than its factorization.

1200200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493.

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

The square root of 1200200002 is about 34643.9028113173. The cubic root of 1200200002 is about 1062.7176030806.

Adding to 1200200002 its reverse (2000020021), we get a palindrome (3200220023).

The spelling of 1200200002 in words is "one billion, two hundred million, two hundred thousand, two".