123323412212 has 96 divisors (see below), whose sum is σ = 290416492800. Its totient is φ = 44252651520.

The previous prime is 123323412211. The next prime is 123323412281. The reversal of 123323412212 is 212214323321.

It is a super-2 number, since 2×123323412212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323412211) 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 31 ways as a sum of consecutive naturals, for example, 1763498 + ... + 1832094.

It is an arithmetic number, because the mean of its divisors is an integer number (3025171800).

Almost surely, 2^123323412212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123323412212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145208246400).

123323412212 is an abundant number, since it is smaller than the sum of its proper divisors (167093080588).

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

123323412212 is a wasteful number, since it uses less digits than its factorization.

123323412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69081 (or 69079 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 123323412212 its reverse (212214323321), we get a palindrome (335537735533).

It can be divided in two parts, 123323 and 412212, that added together give a palindrome (535535).

The spelling of 123323412212 in words is "one hundred twenty-three billion, three hundred twenty-three million, four hundred twelve thousand, two hundred twelve".