210000312123222 has 16 divisors (see below), whose sum is σ = 420006498992640. Its totient is φ = 69999124916712.

The previous prime is 210000312123191. The next prime is 210000312123263. The reversal of 210000312123222 is 222321213000012.

It is a super-2 number, since 2×210000312123222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 244316322 + ... + 245174357.

It is an arithmetic number, because the mean of its divisors is an integer number (26250406187040).

Almost surely, 2^{210000312123222} is an apocalyptic number.

210000312123222 is an abundant number, since it is smaller than the sum of its proper divisors (210006186869418).

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

210000312123222 is a wasteful number, since it uses less digits than its factorization.

210000312123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489562187.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 210000312123222 its reverse (222321213000012), we get a palindrome (432321525123234).

The spelling of 210000312123222 in words is "two hundred ten trillion, three hundred twelve million, one hundred twenty-three thousand, two hundred twenty-two".