120100002200009 has 4 divisors (see below), whose sum is σ = 129338463907716. Its totient is φ = 110861540492304.

The previous prime is 120100002199999. The next prime is 120100002200029. The reversal of 120100002200009 is 900002200001021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65210470090000 + 54889532110009 = 8075300^2 + 7408747^2 .

It is a cyclic number.

It is not a de Polignac number, because 120100002200009 - 2²⁰ = 120100001151433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120100002200009.

It is not an unprimeable number, because it can be changed into a prime (120100002200029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4619230853834 + ... + 4619230853859.

It is an arithmetic number, because the mean of its divisors is an integer number (32334615976929).

Almost surely, 2^{120100002200009} is an apocalyptic number.

It is an amenable number.

120100002200009 is a deficient number, since it is larger than the sum of its proper divisors (9238461707707).

120100002200009 is an equidigital number, since it uses as much as digits as its factorization.

120100002200009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9238461707706.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 120100002200009 in words is "one hundred twenty trillion, one hundred billion, two million, two hundred thousand, nine".