22310321212212 has 192 divisors, whose sum is σ = 57851297280000. Its totient is φ = 6634869696000.

The previous prime is 22310321212073. The next prime is 22310321212247. The reversal of 22310321212212 is 21221212301322.

It is a super-3 number, since 3×22310321212212³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10995721614 + ... + 10995723642.

It is an arithmetic number, because the mean of its divisors is an integer number (301308840000).

Almost surely, 2^{22310321212212} is an apocalyptic number.

22310321212212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22310321212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28925648640000).

22310321212212 is an abundant number, since it is smaller than the sum of its proper divisors (35540976067788).

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

22310321212212 is a wasteful number, since it uses less digits than its factorization.

22310321212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22310321212212 its reverse (21221212301322), we get a palindrome (43531533513534).

The spelling of 22310321212212 in words is "twenty-two trillion, three hundred ten billion, three hundred twenty-one million, two hundred twelve thousand, two hundred twelve".