210212421222 has 8 divisors (see below), whose sum is σ = 420424842456. Its totient is φ = 70070807072.

The previous prime is 210212421137. The next prime is 210212421227. The reversal of 210212421222 is 222124212012.

It is a sphenic number, since it is the product of 3 distinct primes.

210212421222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212421227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17517701763 + ... + 17517701774.

It is an arithmetic number, because the mean of its divisors is an integer number (52553105307).

Almost surely, 2^210212421222 is an apocalyptic number.

210212421222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210212421222 is a wasteful number, since it uses less digits than its factorization.

210212421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35035403542.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 210212421222 its reverse (222124212012), we get a palindrome (432336633234).

The spelling of 210212421222 in words is "two hundred ten billion, two hundred twelve million, four hundred twenty-one thousand, two hundred twenty-two".