212232331332 has 144 divisors (see below), whose sum is σ = 640478502720. Its totient is φ = 60598710144.

The previous prime is 212232331331. The next prime is 212232331349. The reversal of 212232331332 is 233133232212.

212232331332 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 323 + 3 + 1 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 212232331296 and 212232331305.

It is not an unprimeable number, because it can be changed into a prime (212232331331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8756743 + ... + 8780945.

It is an arithmetic number, because the mean of its divisors is an integer number (4447767380).

Almost surely, 2^212232331332 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 212232331332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320239251360).

212232331332 is an abundant number, since it is smaller than the sum of its proper divisors (428246171388).

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

212232331332 is a wasteful number, since it uses less digits than its factorization.

212232331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25887 (or 25872 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 212232331332 its reverse (233133232212), we get a palindrome (445365563544).

The spelling of 212232331332 in words is "two hundred twelve billion, two hundred thirty-two million, three hundred thirty-one thousand, three hundred thirty-two".