133300221312 has 32 divisors (see below), whose sum is σ = 354078713880. Its totient is φ = 44433406976.

The previous prime is 133300221283. The next prime is 133300221319. The reversal of 133300221312 is 213122003331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300221319) 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 3 ways as a sum of consecutive naturals, for example, 173567613 + ... + 173568380.

Almost surely, 2^133300221312 is an apocalyptic number.

133300221312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133300221312 is an abundant number, since it is smaller than the sum of its proper divisors (220778492568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133300221312 is an equidigital number, since it uses as much as digits as its factorization.

133300221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347136010 (or 347135998 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133300221312 its reverse (213122003331), we get a palindrome (346422224643).

The spelling of 133300221312 in words is "one hundred thirty-three billion, three hundred million, two hundred twenty-one thousand, three hundred twelve".