21233312012322 has 48 divisors (see below), whose sum is σ = 48712443611832. Its totient is φ = 6661331688960.

The previous prime is 21233312012267. The next prime is 21233312012333. The reversal of 21233312012322 is 22321021333212.

21233312012322 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 331 + 2 + 0 + 1 + 2 + 322 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21224071227681 + 9240784641 = 4606959^2 + 96129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21524172 + ... + 22489032.

Almost surely, 2^{21233312012322} is an apocalyptic number.

21233312012322 is an abundant number, since it is smaller than the sum of its proper divisors (27479131599510).

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

21233312012322 is a wasteful number, since it uses less digits than its factorization.

21233312012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036803 (or 1036800 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21233312012322 its reverse (22321021333212), we get a palindrome (43554333345534).

The spelling of 21233312012322 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred twelve million, twelve thousand, three hundred twenty-two".