120212122009 has 32 divisors (see below), whose sum is σ = 140081356800. Its totient is φ = 101034561600.

The previous prime is 120212122001. The next prime is 120212122013. The reversal of 120212122009 is 900221212021.

It is not a de Polignac number, because 120212122009 - 2³ = 120212122001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120212122001) 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 31 ways as a sum of consecutive naturals, for example, 97653424 + ... + 97654654.

It is an arithmetic number, because the mean of its divisors is an integer number (4377542400).

Almost surely, 2^120212122009 is an apocalyptic number.

It is an amenable number.

120212122009 is a deficient number, since it is larger than the sum of its proper divisors (19869234791).

120212122009 is a wasteful number, since it uses less digits than its factorization.

120212122009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 120212122009 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, nine".