212323311310 has 48 divisors (see below), whose sum is σ = 421646601600. Its totient is φ = 76921338560.

The previous prime is 212323311259. The next prime is 212323311313. The reversal of 212323311310 is 13113323212.

It is a super-2 number, since 2×212323311310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670 + ... + 651649.

It is an arithmetic number, because the mean of its divisors is an integer number (8784304200).

Almost surely, 2^212323311310 is an apocalyptic number.

212323311310 is a deficient number, since it is larger than the sum of its proper divisors (209323290290).

212323311310 is a wasteful number, since it uses less digits than its factorization.

212323311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652617 (or 652606 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212323311310 its reverse (13113323212), we get a palindrome (225436634522).

The spelling of 212323311310 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred eleven thousand, three hundred ten".