212012331330 has 16 divisors (see below), whose sum is σ = 508829595264. Its totient is φ = 56536621680.

The previous prime is 212012331317. The next prime is 212012331331. The reversal of 212012331330 is 33133210212.

212012331330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212012331297 and 212012331306.

It is not an unprimeable number, because it can be changed into a prime (212012331331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533538826 + ... + 3533538885.

It is an arithmetic number, because the mean of its divisors is an integer number (31801849704).

Almost surely, 2^212012331330 is an apocalyptic number.

212012331330 is an abundant number, since it is smaller than the sum of its proper divisors (296817263934).

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

212012331330 is a wasteful number, since it uses less digits than its factorization.

212012331330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067077721.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212012331330 its reverse (33133210212), we get a palindrome (245145541542).

The spelling of 212012331330 in words is "two hundred twelve billion, twelve million, three hundred thirty-one thousand, three hundred thirty".