212123331342 has 48 divisors (see below), whose sum is σ = 495020045520. Its totient is φ = 65260066176.

The previous prime is 212123331341. The next prime is 212123331373. The reversal of 212123331342 is 243133321212.

212123331342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212123331341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1836793 + ... + 1948859.

It is an arithmetic number, because the mean of its divisors is an integer number (10312917615).

Almost surely, 2^212123331342 is an apocalyptic number.

212123331342 is an abundant number, since it is smaller than the sum of its proper divisors (282896714178).

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

212123331342 is a wasteful number, since it uses less digits than its factorization.

212123331342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120177 (or 120174 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 212123331342 its reverse (243133321212), we get a palindrome (455256652554).

The spelling of 212123331342 in words is "two hundred twelve billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred forty-two".