212000102021112 has 128 divisors (see below), whose sum is σ = 563681289047040. Its totient is φ = 66213628968960.

The previous prime is 212000102021093. The next prime is 212000102021161. The reversal of 212000102021112 is 211120201000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000102021091 and 212000102021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85170787 + ... + 87624557.

It is an arithmetic number, because the mean of its divisors is an integer number (4403760070680).

Almost surely, 2^{212000102021112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212000102021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281840644523520).

212000102021112 is an abundant number, since it is smaller than the sum of its proper divisors (351681187025928).

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

212000102021112 is a wasteful number, since it uses less digits than its factorization.

212000102021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454741 (or 2454737 counting only the distinct ones).

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

Adding to 212000102021112 its reverse (211120201000212), we get a palindrome (423120303021324).

The spelling of 212000102021112 in words is "two hundred twelve trillion, one hundred two million, twenty-one thousand, one hundred twelve".