2001200002 has 4 divisors (see below), whose sum is σ = 3001800006. Its totient is φ = 1000600000.

The previous prime is 2001199979. The next prime is 2001200011. The reversal of 2001200002 is 2000021002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1438609041 + 562590961 = 37929^2 + 23719^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 500299999 + ... + 500300002.

Almost surely, 2^2001200002 is an apocalyptic number.

2001200002 is a deficient number, since it is larger than the sum of its proper divisors (1000600004).

2001200002 is a wasteful number, since it uses less digits than its factorization.

2001200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000600003.

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

The square root of 2001200002 is about 44734.7739683571. The cubic root of 2001200002 is about 1260.1729841446.

Adding to 2001200002 its reverse (2000021002), we get a palindrome (4001221004).

The spelling of 2001200002 in words is "two billion, one million, two hundred thousand, two".