212144232342 has 64 divisors (see below), whose sum is σ = 494858617344. Its totient is φ = 59377950720.

The previous prime is 212144232301. The next prime is 212144232343. The reversal of 212144232342 is 243232441212.

212144232342 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 (212144232343) 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 31 ways as a sum of consecutive naturals, for example, 301078 + ... + 717590.

It is an arithmetic number, because the mean of its divisors is an integer number (7732165896).

Almost surely, 2^212144232342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212144232342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247429308672).

212144232342 is an abundant number, since it is smaller than the sum of its proper divisors (282714385002).

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

212144232342 is a wasteful number, since it uses less digits than its factorization.

212144232342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416773.

The product of its digits is 18432, while the sum is 30.

Adding to 212144232342 its reverse (243232441212), we get a palindrome (455376673554).

The spelling of 212144232342 in words is "two hundred twelve billion, one hundred forty-four million, two hundred thirty-two thousand, three hundred forty-two".