210012220209 has 8 divisors (see below), whose sum is σ = 305472320352. Its totient is φ = 127280133440.

The previous prime is 210012220207. The next prime is 210012220247. The reversal of 210012220209 is 902022210012.

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 210012220209 - 2¹ = 210012220207 is a prime.

It is a super-2 number, since 2×210012220209² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210012220207) 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, 3182003304 + ... + 3182003369.

It is an arithmetic number, because the mean of its divisors is an integer number (38184040044).

Almost surely, 2^210012220209 is an apocalyptic number.

It is an amenable number.

210012220209 is a deficient number, since it is larger than the sum of its proper divisors (95460100143).

210012220209 is a wasteful number, since it uses less digits than its factorization.

210012220209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364006687.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 210012220209 in words is "two hundred ten billion, twelve million, two hundred twenty thousand, two hundred nine".