212030021112 has 192 divisors, whose sum is σ = 665209480320. Its totient is φ = 55822378752.

The previous prime is 212030021017. The next prime is 212030021141. The reversal of 212030021112 is 211120030212.

It is a junction number, because it is equal to n+sod(n) for n = 212030021091 and 212030021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8962243 + ... + 8985869.

It is an arithmetic number, because the mean of its divisors is an integer number (3464632710).

Almost surely, 2^212030021112 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 212030021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332604740160).

212030021112 is an abundant number, since it is smaller than the sum of its proper divisors (453179459208).

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

212030021112 is a wasteful number, since it uses less digits than its factorization.

212030021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250 (or 24239 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212030021112 its reverse (211120030212), we get a palindrome (423150051324).

It can be divided in two parts, 2120300 and 21112, that added together give a palindrome (2141412).

The spelling of 212030021112 in words is "two hundred twelve billion, thirty million, twenty-one thousand, one hundred twelve".