212312233332 has 36 divisors (see below), whose sum is σ = 536859908676. Its totient is φ = 70746775680.

The previous prime is 212312233327. The next prime is 212312233361. The reversal of 212312233332 is 233332213212.

212312233332 is a `hidden beast` number, since 2 + 12 + 312 + 2 + 3 + 3 + 332 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20210602896 + 192101630436 = 142164^2 + 438294^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×212312233332² (a number of 23 digits) contains 22 as substring.

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 = 212312233296 and 212312233305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 890769 + ... + 1103672.

It is an arithmetic number, because the mean of its divisors is an integer number (14912775241).

Almost surely, 2^212312233332 is an apocalyptic number.

It is an amenable number.

212312233332 is an abundant number, since it is smaller than the sum of its proper divisors (324547675344).

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

212312233332 is a wasteful number, since it uses less digits than its factorization.

212312233332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997408 (or 1997403 counting only the distinct ones).

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

Adding to 212312233332 its reverse (233332213212), we get a palindrome (445644446544).

The spelling of 212312233332 in words is "two hundred twelve billion, three hundred twelve million, two hundred thirty-three thousand, three hundred thirty-two".