133221842212 has 24 divisors (see below), whose sum is σ = 241238208960. Its totient is φ = 64297796640.

The previous prime is 133221842191. The next prime is 133221842213. The reversal of 133221842212 is 212248122331.

It is not an unprimeable number, because it can be changed into a prime (133221842213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324537 + ... + 609727.

It is an arithmetic number, because the mean of its divisors is an integer number (10051592040).

Almost surely, 2^133221842212 is an apocalyptic number.

It is an amenable number.

133221842212 is a deficient number, since it is larger than the sum of its proper divisors (108016366748).

133221842212 is a wasteful number, since it uses less digits than its factorization.

133221842212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289251 (or 289249 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

Adding to 133221842212 its reverse (212248122331), we get a palindrome (345469964543).

The spelling of 133221842212 in words is "one hundred thirty-three billion, two hundred twenty-one million, eight hundred forty-two thousand, two hundred twelve".