133103220212 has 6 divisors (see below), whose sum is σ = 232930635378. Its totient is φ = 66551610104.

The previous prime is 133103220193. The next prime is 133103220319. The reversal of 133103220212 is 212022301331.

It can be written as a sum of positive squares in only one way, i.e., 132325702756 + 777517456 = 363766^2 + 27884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16637902523 + ... + 16637902530.

It is an arithmetic number, because the mean of its divisors is an integer number (38821772563).

Almost surely, 2^133103220212 is an apocalyptic number.

It is an amenable number.

133103220212 is a deficient number, since it is larger than the sum of its proper divisors (99827415166).

133103220212 is a wasteful number, since it uses less digits than its factorization.

133103220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33275805057 (or 33275805055 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 133103220212 its reverse (212022301331), we get a palindrome (345125521543).

The spelling of 133103220212 in words is "one hundred thirty-three billion, one hundred three million, two hundred twenty thousand, two hundred twelve".