212102120202010 has 32 divisors (see below), whose sum is σ = 382657242844800. Its totient is φ = 84646757108160.

The previous prime is 212102120201929. The next prime is 212102120202019. The reversal of 212102120202010 is 10202021201212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212102120202019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648726856 + ... + 649053724.

It is an arithmetic number, because the mean of its divisors is an integer number (11958038838900).

Almost surely, 2^{212102120202010} is an apocalyptic number.

212102120202010 is a deficient number, since it is larger than the sum of its proper divisors (170555122642790).

212102120202010 is a wasteful number, since it uses less digits than its factorization.

212102120202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475126.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212102120202010 its reverse (10202021201212), we get a palindrome (222304141403222).

The spelling of 212102120202010 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty million, two hundred two thousand, ten".