210001212210 has 16 divisors (see below), whose sum is σ = 504002909376. Its totient is φ = 56000323248.

The previous prime is 210001212209. The next prime is 210001212227. The reversal of 210001212210 is 12212100012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500020174 + ... + 3500020233.

It is an arithmetic number, because the mean of its divisors is an integer number (31500181836).

Almost surely, 2^210001212210 is an apocalyptic number.

210001212210 is an abundant number, since it is smaller than the sum of its proper divisors (294001697166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210001212210 is a wasteful number, since it uses less digits than its factorization.

210001212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000040417.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210001212210 its reverse (12212100012), we get a palindrome (222213312222).

The spelling of 210001212210 in words is "two hundred ten billion, one million, two hundred twelve thousand, two hundred ten".