212013330112 has 28 divisors (see below), whose sum is σ = 430975273176. Its totient is φ = 103421135360.

The previous prime is 212013330097. The next prime is 212013330119. The reversal of 212013330112 is 211033310212.

It is a self number, because there is not a number n which added to its sum of digits gives 212013330112.

It is not an unprimeable number, because it can be changed into a prime (212013330119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40396258 + ... + 40401505.

It is an arithmetic number, because the mean of its divisors is an integer number (15391974042).

Almost surely, 2^212013330112 is an apocalyptic number.

It is an amenable number.

212013330112 is an abundant number, since it is smaller than the sum of its proper divisors (218961943064).

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

212013330112 is an equidigital number, since it uses as much as digits as its factorization.

212013330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80797816 (or 80797806 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212013330112 its reverse (211033310212), we get a palindrome (423046640324).

The spelling of 212013330112 in words is "two hundred twelve billion, thirteen million, three hundred thirty thousand, one hundred twelve".