120331222306 has 4 divisors (see below), whose sum is σ = 180496833462. Its totient is φ = 60165611152.

The previous prime is 120331222303. The next prime is 120331222307. The reversal of 120331222306 is 603222133021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603222133021 = 259781 ⋅2322041.

It can be written as a sum of positive squares in only one way, i.e., 117700455625 + 2630766681 = 343075^2 + 51291^2 .

It is not an unprimeable number, because it can be changed into a prime (120331222303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30082805575 + ... + 30082805578.

Almost surely, 2^120331222306 is an apocalyptic number.

120331222306 is a deficient number, since it is larger than the sum of its proper divisors (60165611156).

120331222306 is an equidigital number, since it uses as much as digits as its factorization.

120331222306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60165611155.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 120331222306 its reverse (603222133021), we get a palindrome (723553355327).

The spelling of 120331222306 in words is "one hundred twenty billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred six".