212322321012 has 12 divisors (see below), whose sum is σ = 495418749056. Its totient is φ = 70774107000.

The previous prime is 212322320941. The next prime is 212322321023. The reversal of 212322321012 is 210123223212.

212322321012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212322321012.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8846763364 + ... + 8846763387.

Almost surely, 2^212322321012 is an apocalyptic number.

It is an amenable number.

212322321012 is an abundant number, since it is smaller than the sum of its proper divisors (283096428044).

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

212322321012 is a wasteful number, since it uses less digits than its factorization.

212322321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693526758 (or 17693526756 counting only the distinct ones).

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

Adding to 212322321012 its reverse (210123223212), we get a palindrome (422445544224).

The spelling of 212322321012 in words is "two hundred twelve billion, three hundred twenty-two million, three hundred twenty-one thousand, twelve".