120001220209 has 8 divisors (see below), whose sum is σ = 130161812480. Its totient is φ = 109973446416.

The previous prime is 120001220203. The next prime is 120001220221. The reversal of 120001220209 is 902022100021.

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 120001220209 - 2¹³ = 120001212017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33202737 + ... + 33206350.

It is an arithmetic number, because the mean of its divisors is an integer number (16270226560).

Almost surely, 2^120001220209 is an apocalyptic number.

It is an amenable number.

120001220209 is a deficient number, since it is larger than the sum of its proper divisors (10160592271).

120001220209 is a wasteful number, since it uses less digits than its factorization.

120001220209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66409239.

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

It can be divided in two parts, 1200012 and 20209, that added together give a palindrome (1220221).

The spelling of 120001220209 in words is "one hundred twenty billion, one million, two hundred twenty thousand, two hundred nine".