210120012209 has 8 divisors (see below), whose sum is σ = 222104400000. Its totient is φ = 198228168432.

The previous prime is 210120012199. The next prime is 210120012251. The reversal of 210120012209 is 902210021012.

It is a happy number.

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 210120012209 - 2¹² = 210120008113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210120012409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23131334 + ... + 23140415.

It is an arithmetic number, because the mean of its divisors is an integer number (27763050000).

Almost surely, 2^210120012209 is an apocalyptic number.

It is an amenable number.

210120012209 is a deficient number, since it is larger than the sum of its proper divisors (11984387791).

210120012209 is a wasteful number, since it uses less digits than its factorization.

210120012209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46272007.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 210120012209 in words is "two hundred ten billion, one hundred twenty million, twelve thousand, two hundred nine".