212112320330 has 16 divisors (see below), whose sum is σ = 381857150664. Its totient is φ = 84832711680.

The previous prime is 212112320323. The next prime is 212112320359. The reversal of 212112320330 is 33023211212.

212112320330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 150894179401 + 61218140929 = 388451^2 + 247423^2 .

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 7 ways as a sum of consecutive naturals, for example, 1453967 + ... + 1593186.

Almost surely, 2^212112320330 is an apocalyptic number.

212112320330 is a deficient number, since it is larger than the sum of its proper divisors (169744830334).

212112320330 is a wasteful number, since it uses less digits than its factorization.

212112320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054121.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212112320330 its reverse (33023211212), we get a palindrome (245135531542).

The spelling of 212112320330 in words is "two hundred twelve billion, one hundred twelve million, three hundred twenty thousand, three hundred thirty".