133212412243 has 4 divisors (see below), whose sum is σ = 133235833720. Its totient is φ = 133188990768.

The previous prime is 133212412241. The next prime is 133212412261. The reversal of 133212412243 is 342214212331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133212412243 - 2¹ = 133212412241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133212412241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11702205 + ... + 11713582.

It is an arithmetic number, because the mean of its divisors is an integer number (33308958430).

Almost surely, 2^133212412243 is an apocalyptic number.

133212412243 is a deficient number, since it is larger than the sum of its proper divisors (23421477).

133212412243 is an equidigital number, since it uses as much as digits as its factorization.

133212412243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23421476.

The product of its digits is 6912, while the sum is 28.

Adding to 133212412243 its reverse (342214212331), we get a palindrome (475426624574).

The spelling of 133212412243 in words is "one hundred thirty-three billion, two hundred twelve million, four hundred twelve thousand, two hundred forty-three".