2000121206 has 4 divisors (see below), whose sum is σ = 3000181812. Its totient is φ = 1000060602.

The previous prime is 2000121199. The next prime is 2000121217. The reversal of 2000121206 is 6021210002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500030300 + ... + 500030303.

It is an arithmetic number, because the mean of its divisors is an integer number (750045453).

Almost surely, 2^2000121206 is an apocalyptic number.

2000121206 is a deficient number, since it is larger than the sum of its proper divisors (1000060606).

2000121206 is a wasteful number, since it uses less digits than its factorization.

2000121206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000060605.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2000121206 is about 44722.7146537417. The cubic root of 2000121206 is about 1259.9465010459.

Adding to 2000121206 its reverse (6021210002), we get a palindrome (8021331208).

The spelling of 2000121206 in words is "two billion, one hundred twenty-one thousand, two hundred six".