133212212241 has 4 divisors (see below), whose sum is σ = 177616282992. Its totient is φ = 88808141492.

The previous prime is 133212212173. The next prime is 133212212249. The reversal of 133212212241 is 142212212331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133212212241 - 2¹⁸ = 133211950097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133212212249) 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, 22202035371 + ... + 22202035376.

It is an arithmetic number, because the mean of its divisors is an integer number (44404070748).

Almost surely, 2^133212212241 is an apocalyptic number.

It is an amenable number.

133212212241 is a deficient number, since it is larger than the sum of its proper divisors (44404070751).

133212212241 is an equidigital number, since it uses as much as digits as its factorization.

133212212241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44404070750.

The product of its digits is 1152, while the sum is 24.

Adding to 133212212241 its reverse (142212212331), we get a palindrome (275424424572).

The spelling of 133212212241 in words is "one hundred thirty-three billion, two hundred twelve million, two hundred twelve thousand, two hundred forty-one".