212123310033310 has 24 divisors (see below), whose sum is σ = 413452179441000. Its totient is φ = 78322452934752.

The previous prime is 212123310033277. The next prime is 212123310033311. The reversal of 212123310033310 is 13330013321212.

It is a super-2 number, since 2×212123310033310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212123310033311) 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 11 ways as a sum of consecutive naturals, for example, 62758374060 + ... + 62758377439.

It is an arithmetic number, because the mean of its divisors is an integer number (17227174143375).

Almost surely, 2^{212123310033310} is an apocalyptic number.

212123310033310 is a deficient number, since it is larger than the sum of its proper divisors (201328869407690).

212123310033310 is a wasteful number, since it uses less digits than its factorization.

212123310033310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125516751532 (or 125516751519 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 212123310033310 its reverse (13330013321212), we get a palindrome (225453323354522).

The spelling of 212123310033310 in words is "two hundred twelve trillion, one hundred twenty-three billion, three hundred ten million, thirty-three thousand, three hundred ten".