133221231132 has 24 divisors (see below), whose sum is σ = 339108588672. Its totient is φ = 40370070000.

The previous prime is 133221231131. The next prime is 133221231163. The reversal of 133221231132 is 231132122331.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133221231131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504625744 + ... + 504626007.

It is an arithmetic number, because the mean of its divisors is an integer number (14129524528).

Almost surely, 2^133221231132 is an apocalyptic number.

133221231132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133221231132 is an abundant number, since it is smaller than the sum of its proper divisors (205887357540).

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

133221231132 is a wasteful number, since it uses less digits than its factorization.

133221231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009251769 (or 1009251767 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 133221231132 its reverse (231132122331), we get a palindrome (364353353463).

The spelling of 133221231132 in words is "one hundred thirty-three billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred thirty-two".