210012210209 has 8 divisors (see below), whose sum is σ = 211418465760. Its totient is φ = 208608543936.

The previous prime is 210012210193. The next prime is 210012210223. The reversal of 210012210209 is 902012210012.

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 210012210209 - 2⁴ = 210012210193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012210269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484424 + ... + 809129.

It is an arithmetic number, because the mean of its divisors is an integer number (26427308220).

Almost surely, 2^210012210209 is an apocalyptic number.

It is an amenable number.

210012210209 is a deficient number, since it is larger than the sum of its proper divisors (1406255551).

210012210209 is a wasteful number, since it uses less digits than its factorization.

210012210209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294639.

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

The spelling of 210012210209 in words is "two hundred ten billion, twelve million, two hundred ten thousand, two hundred nine".