212311021332210 has 64 divisors (see below), whose sum is σ = 510731329352832. Its totient is φ = 56484623379456.

The previous prime is 212311021332203. The next prime is 212311021332257. The reversal of 212311021332210 is 12233120113212.

It is a super-2 number, since 2×212311021332210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410469872 + ... + 1410620388.

It is an arithmetic number, because the mean of its divisors is an integer number (7980177021138).

Almost surely, 2^{212311021332210} is an apocalyptic number.

212311021332210 is an abundant number, since it is smaller than the sum of its proper divisors (298420308020622).

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

212311021332210 is a wasteful number, since it uses less digits than its factorization.

212311021332210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259547.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212311021332210 its reverse (12233120113212), we get a palindrome (224544141445422).

The spelling of 212311021332210 in words is "two hundred twelve trillion, three hundred eleven billion, twenty-one million, three hundred thirty-two thousand, two hundred ten".