212210312232 has 16 divisors (see below), whose sum is σ = 530525780640. Its totient is φ = 70736770736.

The previous prime is 212210312207. The next prime is 212210312239. The reversal of 212210312232 is 232213012212.

It is a junction number, because it is equal to n+sod(n) for n = 212210312199 and 212210312208.

It is not an unprimeable number, because it can be changed into a prime (212210312239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4421048148 + ... + 4421048195.

It is an arithmetic number, because the mean of its divisors is an integer number (33157861290).

Almost surely, 2^212210312232 is an apocalyptic number.

It is an amenable number.

212210312232 is an abundant number, since it is smaller than the sum of its proper divisors (318315468408).

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

212210312232 is a wasteful number, since it uses less digits than its factorization.

212210312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8842096352 (or 8842096348 counting only the distinct ones).

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

Adding to 212210312232 its reverse (232213012212), we get a palindrome (444423324444).

The spelling of 212210312232 in words is "two hundred twelve billion, two hundred ten million, three hundred twelve thousand, two hundred thirty-two".