212101110120012 has 48 divisors (see below), whose sum is σ = 508283744112480. Its totient is φ = 68788817298432.

The previous prime is 212101110120001. The next prime is 212101110120013. The reversal of 212101110120012 is 210021011101212.

It is a happy number.

212101110120012 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 = 212101110119973 and 212101110120000.

It is not an unprimeable number, because it can be changed into a prime (212101110120013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40036788 + ... + 45023844.

It is an arithmetic number, because the mean of its divisors is an integer number (10589244669010).

Almost surely, 2^{212101110120012} is an apocalyptic number.

It is an amenable number.

212101110120012 is an abundant number, since it is smaller than the sum of its proper divisors (296182633992468).

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

212101110120012 is a wasteful number, since it uses less digits than its factorization.

212101110120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082890 (or 5082888 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212101110120012 its reverse (210021011101212), we get a palindrome (422122121221224).

It can be divided in two parts, 2121011101200 and 12, that added together give a palindrome (2121011101212).

The spelling of 212101110120012 in words is "two hundred twelve trillion, one hundred one billion, one hundred ten million, one hundred twenty thousand, twelve".