212101000020112 has 80 divisors (see below), whose sum is σ = 474222829796352. Its totient is φ = 90015833854080.

The previous prime is 212101000020083. The next prime is 212101000020257. The reversal of 212101000020112 is 211020000101212.

It is a junction number, because it is equal to n+sod(n) for n = 212101000020092 and 212101000020101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568896063 + ... + 569268769.

Almost surely, 2^{212101000020112} is an apocalyptic number.

It is an amenable number.

212101000020112 is an abundant number, since it is smaller than the sum of its proper divisors (262121829776240).

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

212101000020112 is a wasteful number, since it uses less digits than its factorization.

212101000020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422156 (or 422150 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212101000020112 its reverse (211020000101212), we get a palindrome (423121000121324).

The spelling of 212101000020112 in words is "two hundred twelve trillion, one hundred one billion, twenty thousand, one hundred twelve".