212142230322 has 32 divisors (see below), whose sum is σ = 467438520384. Its totient is φ = 63649032000.

The previous prime is 212142230263. The next prime is 212142230351. The reversal of 212142230322 is 223032241212.

It is a junction number, because it is equal to n+sod(n) for n = 212142230292 and 212142230301.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15905593 + ... + 15918924.

It is an arithmetic number, because the mean of its divisors is an integer number (14607453762).

Almost surely, 2^212142230322 is an apocalyptic number.

212142230322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212142230322 is an abundant number, since it is smaller than the sum of its proper divisors (255296290062).

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

212142230322 is a wasteful number, since it uses less digits than its factorization.

212142230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31824634.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212142230322 its reverse (223032241212), we get a palindrome (435174471534).

The spelling of 212142230322 in words is "two hundred twelve billion, one hundred forty-two million, two hundred thirty thousand, three hundred twenty-two".