212322330012 has 36 divisors (see below), whose sum is σ = 536459383320. Its totient is φ = 65329947072.

The previous prime is 212322329959. The next prime is 212322330013. The reversal of 212322330012 is 210033223212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322330013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52345687 + ... + 52349742.

Almost surely, 2^212322330012 is an apocalyptic number.

It is an amenable number.

212322330012 is an abundant number, since it is smaller than the sum of its proper divisors (324137053308).

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

212322330012 is a wasteful number, since it uses less digits than its factorization.

212322330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104695462 (or 104695447 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212322330012 its reverse (210033223212), we get a palindrome (422355553224).

The spelling of 212322330012 in words is "two hundred twelve billion, three hundred twenty-two million, three hundred thirty thousand, twelve".