1000120200009 has 16 divisors (see below), whose sum is σ = 1552747266432. Its totient is φ = 560714289408.

The previous prime is 1000120199951. The next prime is 1000120200019. The reversal of 1000120200009 is 9000020210001.

It is a happy number.

It is not a de Polignac number, because 1000120200009 - 2¹² = 1000120195913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1000120200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449289184 + ... + 449291409.

It is an arithmetic number, because the mean of its divisors is an integer number (97046704152).

Almost surely, 2^{1000120200009} is an apocalyptic number.

It is an amenable number.

1000120200009 is a deficient number, since it is larger than the sum of its proper divisors (552627066423).

1000120200009 is an equidigital number, since it uses as much as digits as its factorization.

1000120200009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898580656.

The product of its (nonzero) digits is 36, while the sum is 15.

The spelling of 1000120200009 in words is "one trillion, one hundred twenty million, two hundred thousand, nine".