212120002220010 has 16 divisors (see below), whose sum is σ = 509088005328096. Its totient is φ = 56565333925328.

The previous prime is 212120002219999. The next prime is 212120002220011. The reversal of 212120002220010 is 10022200021212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (212120002220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535333370304 + ... + 3535333370363.

It is an arithmetic number, because the mean of its divisors is an integer number (31818000333006).

Almost surely, 2^{212120002220010} is an apocalyptic number.

212120002220010 is an abundant number, since it is smaller than the sum of its proper divisors (296968003108086).

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

212120002220010 is a wasteful number, since it uses less digits than its factorization.

212120002220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070666740677.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212120002220010 its reverse (10022200021212), we get a palindrome (222142202241222).

The spelling of 212120002220010 in words is "two hundred twelve trillion, one hundred twenty billion, two million, two hundred twenty thousand, ten".