212112130333 has 4 divisors (see below), whose sum is σ = 215017776028. Its totient is φ = 209206484640.

The previous prime is 212112130247. The next prime is 212112130367. The reversal of 212112130333 is 333031211212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106032943129 + 106079187204 = 325627^2 + 325698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112130333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112130733) 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, 1452822738 + ... + 1452822883.

It is an arithmetic number, because the mean of its divisors is an integer number (53754444007).

Almost surely, 2^212112130333 is an apocalyptic number.

It is an amenable number.

212112130333 is a deficient number, since it is larger than the sum of its proper divisors (2905645695).

212112130333 is an equidigital number, since it uses as much as digits as its factorization.

212112130333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905645694.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212112130333 its reverse (333031211212), we get a palindrome (545143341545).

The spelling of 212112130333 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty thousand, three hundred thirty-three".