212102020112012 has 48 divisors (see below), whose sum is σ = 389084558016000. Its totient is φ = 101055578279040.

The previous prime is 212102020111921. The next prime is 212102020112051. The reversal of 212102020112012 is 210211020201212.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 280284689 + ... + 281040407.

It is an arithmetic number, because the mean of its divisors is an integer number (8105928292000).

Almost surely, 2^{212102020112012} is an apocalyptic number.

It is an amenable number.

212102020112012 is a deficient number, since it is larger than the sum of its proper divisors (176982537903988).

212102020112012 is a wasteful number, since it uses less digits than its factorization.

212102020112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795606 (or 795604 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212102020112012 its reverse (210211020201212), we get a palindrome (422313040313224).

The spelling of 212102020112012 in words is "two hundred twelve trillion, one hundred two billion, twenty million, one hundred twelve thousand, twelve".