212310012012 has 72 divisors (see below), whose sum is σ = 610168298544. Its totient is φ = 57091765248.

The previous prime is 212310012007. The next prime is 212310012037. The reversal of 212310012012 is 210210013212.

212310012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212310011982 and 212310012000.

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 23 ways as a sum of consecutive naturals, for example, 10609753 + ... + 10629744.

It is an arithmetic number, because the mean of its divisors is an integer number (8474559702).

Almost surely, 2^212310012012 is an apocalyptic number.

It is an amenable number.

212310012012 is an abundant number, since it is smaller than the sum of its proper divisors (397858286532).

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

212310012012 is a wasteful number, since it uses less digits than its factorization.

212310012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21239535 (or 21239526 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212310012012 its reverse (210210013212), we get a palindrome (422520025224).

The spelling of 212310012012 in words is "two hundred twelve billion, three hundred ten million, twelve thousand, twelve".