133220412322 has 4 divisors (see below), whose sum is σ = 199830618486. Its totient is φ = 66610206160.

The previous prime is 133220412317. The next prime is 133220412349. The reversal of 133220412322 is 223214022331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223214022331 = 53 ⋅4211585327.

It can be written as a sum of positive squares in only one way, i.e., 118108381561 + 15112030761 = 343669^2 + 122931^2 .

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 as a sum of consecutive naturals, namely, 33305103079 + ... + 33305103082.

Almost surely, 2^133220412322 is an apocalyptic number.

133220412322 is a deficient number, since it is larger than the sum of its proper divisors (66610206164).

133220412322 is an equidigital number, since it uses as much as digits as its factorization.

133220412322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66610206163.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 133220412322 its reverse (223214022331), we get a palindrome (356434434653).

The spelling of 133220412322 in words is "one hundred thirty-three billion, two hundred twenty million, four hundred twelve thousand, three hundred twenty-two".