123221022322 has 8 divisors (see below), whose sum is σ = 186661548972. Its totient is φ = 61000506000.

The previous prime is 123221022307. The next prime is 123221022329. The reversal of 123221022322 is 223220122321.

It can be written as a sum of positive squares in 2 ways, for example, as 123131511801 + 89510521 = 350901^2 + 9461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123221022293 and 123221022302.

It is not an unprimeable number, because it can be changed into a prime (123221022329) 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, 305002329 + ... + 305002732.

Almost surely, 2^123221022322 is an apocalyptic number.

123221022322 is a deficient number, since it is larger than the sum of its proper divisors (63440526650).

123221022322 is a wasteful number, since it uses less digits than its factorization.

123221022322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610005164.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123221022322 its reverse (223220122321), we get a palindrome (346441144643).

Subtracting 123221022322 from its reverse (223220122321), we obtain a palindrome (99999099999).

The spelling of 123221022322 in words is "one hundred twenty-three billion, two hundred twenty-one million, twenty-two thousand, three hundred twenty-two".