120212110009 has 16 divisors (see below), whose sum is σ = 122884672320. Its totient is φ = 117569214720.

The previous prime is 120212109973. The next prime is 120212110061. The reversal of 120212110009 is 900011212021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120212110009 - 2¹⁹ = 120211585721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120212110309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9704782 + ... + 9717160.

It is an arithmetic number, because the mean of its divisors is an integer number (7680292020).

Almost surely, 2^120212110009 is an apocalyptic number.

It is an amenable number.

120212110009 is a deficient number, since it is larger than the sum of its proper divisors (2672562311).

120212110009 is a wasteful number, since it uses less digits than its factorization.

120212110009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 120212110009 in words is "one hundred twenty billion, two hundred twelve million, one hundred ten thousand, nine".