22312122312 has 128 divisors (see below), whose sum is σ = 58786560000. Its totient is φ = 7047296256.

The previous prime is 22312122307. The next prime is 22312122323. The reversal of 22312122312 is 21322121322.

It is a super-3 number, since 3×22312122312³ (a number of 32 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9841003 + ... + 9843269.

It is an arithmetic number, because the mean of its divisors is an integer number (459270000).

Almost surely, 2^22312122312 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 22312122312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29393280000).

22312122312 is an abundant number, since it is smaller than the sum of its proper divisors (36474437688).

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

22312122312 is a wasteful number, since it uses less digits than its factorization.

22312122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2559 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

Adding to 22312122312 its reverse (21322121322), we get a palindrome (43634243634).

The spelling of 22312122312 in words is "twenty-two billion, three hundred twelve million, one hundred twenty-two thousand, three hundred twelve".