212012110020012 has 48 divisors (see below), whose sum is σ = 497056618558080. Its totient is φ = 70333935677568.

The previous prime is 212012110019977. The next prime is 212012110020041. The reversal of 212012110020012 is 210020011210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012110019973 and 212012110020000.

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, 35837278 + ... + 41332005.

It is an arithmetic number, because the mean of its divisors is an integer number (10355346219960).

Almost surely, 2^{212012110020012} is an apocalyptic number.

It is an amenable number.

212012110020012 is an abundant number, since it is smaller than the sum of its proper divisors (285044508538068).

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

212012110020012 is a wasteful number, since it uses less digits than its factorization.

212012110020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77170382 (or 77170380 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212012110020012 its reverse (210020011210212), we get a palindrome (422032121230224).

The spelling of 212012110020012 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, twenty thousand, twelve".