212100202020012 has 12 divisors (see below), whose sum is σ = 494900471380056. Its totient is φ = 70700067340000.

The previous prime is 212100202020001. The next prime is 212100202020029. The reversal of 212100202020012 is 210020202001212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 212100202019973 and 212100202020000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8837508417489 + ... + 8837508417512.

It is an arithmetic number, because the mean of its divisors is an integer number (41241705948338).

Almost surely, 2^{212100202020012} is an apocalyptic number.

It is an amenable number.

212100202020012 is an abundant number, since it is smaller than the sum of its proper divisors (282800269360044).

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

212100202020012 is a wasteful number, since it uses less digits than its factorization.

212100202020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17675016835008 (or 17675016835006 counting only the distinct ones).

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

Adding to 212100202020012 its reverse (210020202001212), we get a palindrome (422120404021224).

The spelling of 212100202020012 in words is "two hundred twelve trillion, one hundred billion, two hundred two million, twenty thousand, twelve".