20012200001209 has 8 divisors (see below), whose sum is σ = 21551642403200. Its totient is φ = 18472763656656.

The previous prime is 20012200001201. The next prime is 20012200001237. The reversal of 20012200001209 is 90210000221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012200001209 - 2³ = 20012200001201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012200001201) 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 7 ways as a sum of consecutive naturals, for example, 7207984 + ... + 9590590.

It is an arithmetic number, because the mean of its divisors is an integer number (2693955300400).

Almost surely, 2^{20012200001209} is an apocalyptic number.

It is an amenable number.

20012200001209 is a deficient number, since it is larger than the sum of its proper divisors (1539442401991).

20012200001209 is a wasteful number, since it uses less digits than its factorization.

20012200001209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028719.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 20012200001209 in words is "twenty trillion, twelve billion, two hundred million, one thousand, two hundred nine".