133305243221012 has 48 divisors (see below), whose sum is σ = 247085305528320. Its totient is φ = 62796738329952.

The previous prime is 133305243221011. The next prime is 133305243221021. The reversal of 133305243221012 is 210122342503331.

It is a self number, because there is not a number n which added to its sum of digits gives 133305243221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133305243221011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59849789 + ... + 62037147.

It is an arithmetic number, because the mean of its divisors is an integer number (5147610531840).

Almost surely, 2^{133305243221012} is an apocalyptic number.

It is an amenable number.

133305243221012 is a deficient number, since it is larger than the sum of its proper divisors (113780062307308).

133305243221012 is a wasteful number, since it uses less digits than its factorization.

133305243221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197340 (or 2197338 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 133305243221012 its reverse (210122342503331), we get a palindrome (343427585724343).

The spelling of 133305243221012 in words is "one hundred thirty-three trillion, three hundred five billion, two hundred forty-three million, two hundred twenty-one thousand, twelve".