213222303100312 has 16 divisors (see below), whose sum is σ = 436136529069000. Its totient is φ = 96919228681920.

The previous prime is 213222303100277. The next prime is 213222303100319. The reversal of 213222303100312 is 213001303222312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213222303100319) 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, 1211490358437 + ... + 1211490358612.

Almost surely, 2^{213222303100312} is an apocalyptic number.

213222303100312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213222303100312 is an abundant number, since it is smaller than the sum of its proper divisors (222914225968688).

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

213222303100312 is a wasteful number, since it uses less digits than its factorization.

213222303100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422980717066 (or 2422980717062 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213222303100312 its reverse (213001303222312), we get a palindrome (426223606322624).

The spelling of 213222303100312 in words is "two hundred thirteen trillion, two hundred twenty-two billion, three hundred three million, one hundred thousand, three hundred twelve".