212100012012 has 96 divisors (see below), whose sum is σ = 568909135872. Its totient is φ = 60246409536.

The previous prime is 212100011999. The next prime is 212100012037. The reversal of 212100012012 is 210210001212.

212100012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 31 ways as a sum of consecutive naturals, for example, 11102733 + ... + 11121819.

It is an arithmetic number, because the mean of its divisors is an integer number (5926136832).

Almost surely, 2^212100012012 is an apocalyptic number.

It is an amenable number.

212100012012 is an abundant number, since it is smaller than the sum of its proper divisors (356809123860).

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

212100012012 is a wasteful number, since it uses less digits than its factorization.

212100012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867 (or 19865 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212100012012 its reverse (210210001212), we get a palindrome (422310013224).

The spelling of 212100012012 in words is "two hundred twelve billion, one hundred million, twelve thousand, twelve".