212133324342 has 16 divisors (see below), whose sum is σ = 433293599232. Its totient is φ = 69206616360.

The previous prime is 212133324311. The next prime is 212133324349. The reversal of 212133324342 is 243423331212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133324349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376122634 + ... + 376123197.

It is an arithmetic number, because the mean of its divisors is an integer number (27080849952).

Almost surely, 2^212133324342 is an apocalyptic number.

212133324342 is an abundant number, since it is smaller than the sum of its proper divisors (221160274890).

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

212133324342 is a wasteful number, since it uses less digits than its factorization.

212133324342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752245883.

The product of its digits is 20736, while the sum is 30.

Adding to 212133324342 its reverse (243423331212), we get a palindrome (455556655554).

The spelling of 212133324342 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred twenty-four thousand, three hundred forty-two".