133220012232 has 32 divisors (see below), whose sum is σ = 333060530400. Its totient is φ = 44405270784.

The previous prime is 133220012221. The next prime is 133220012239. The reversal of 133220012232 is 232210022331.

It is a happy number.

133220012232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 133220012199 and 133220012208.

It is not an unprimeable number, because it can be changed into a prime (133220012239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932119 + ... + 1065497.

It is an arithmetic number, because the mean of its divisors is an integer number (10408141575).

Almost surely, 2^133220012232 is an apocalyptic number.

133220012232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133220012232 is an abundant number, since it is smaller than the sum of its proper divisors (199840518168).

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

133220012232 is a wasteful number, since it uses less digits than its factorization.

133220012232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175005 (or 175001 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 133220012232 its reverse (232210022331), we get a palindrome (365430034563).

The spelling of 133220012232 in words is "one hundred thirty-three billion, two hundred twenty million, twelve thousand, two hundred thirty-two".