212021020011112 has 64 divisors (see below), whose sum is σ = 457791007035600. Its totient is φ = 91187751014400.

The previous prime is 212021020011107. The next prime is 212021020011223. The reversal of 212021020011112 is 211110020120212.

It can be written as a sum of positive squares in 8 ways, for example, as 193927515717796 + 18093504293316 = 13925786^2 + 4253646^2 .

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, 593491687 + ... + 593848822.

Almost surely, 2^{212021020011112} is an apocalyptic number.

It is an amenable number.

212021020011112 is an abundant number, since it is smaller than the sum of its proper divisors (245769987024488).

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

212021020011112 is a wasteful number, since it uses less digits than its factorization.

212021020011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187340646 (or 1187340642 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212021020011112 its reverse (211110020120212), we get a palindrome (423131040131324).

The spelling of 212021020011112 in words is "two hundred twelve trillion, twenty-one billion, twenty million, eleven thousand, one hundred twelve".