5123312535222 has 144 divisors (see below), whose sum is σ = 13105561341600. Its totient is φ = 1441990690560.

The previous prime is 5123312535203. The next prime is 5123312535247. The reversal of 5123312535222 is 2225352133215.

5123312535222 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 3 + 125 + 3 + 522 + 2 = 666.

It is a super-3 number, since 3×5123312535222³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 76929154 + ... + 76995722.

It is an arithmetic number, because the mean of its divisors is an integer number (91010842650).

Almost surely, 2^{5123312535222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123312535222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6552780670800).

5123312535222 is an abundant number, since it is smaller than the sum of its proper divisors (7982248806378).

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

5123312535222 is a wasteful number, since it uses less digits than its factorization.

5123312535222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67891 (or 67881 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 5123312535222 its reverse (2225352133215), we get a palindrome (7348664668437).

The spelling of 5123312535222 in words is "five trillion, one hundred twenty-three billion, three hundred twelve million, five hundred thirty-five thousand, two hundred twenty-two".