133412211 has 8 divisors (see below), whose sum is σ = 197647760. Its totient is φ = 88941456.

The previous prime is 133412161. The next prime is 133412231. The reversal of 133412211 is 112214331.

It is not a de Polignac number, because 133412211 - 2¹¹ = 133410163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133412231) 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, 2470570 + ... + 2470623.

It is an arithmetic number, because the mean of its divisors is an integer number (24705970).

Almost surely, 2^133412211 is an apocalyptic number.

133412211 is a deficient number, since it is larger than the sum of its proper divisors (64235549).

133412211 is an equidigital number, since it uses as much as digits as its factorization.

133412211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941202 (or 4941196 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 133412211 is about 11550.4203819601. The cubic root of 133412211 is about 510.9736762366.

Adding to 133412211 its reverse (112214331), we get a palindrome (245626542).

The spelling of 133412211 in words is "one hundred thirty-three million, four hundred twelve thousand, two hundred eleven".