133120221324 has 12 divisors (see below), whose sum is σ = 310613849784. Its totient is φ = 44373407104.

The previous prime is 133120221323. The next prime is 133120221331. The reversal of 133120221324 is 423122021331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 133120221294 and 133120221303.

It is not an unprimeable number, because it can be changed into a prime (133120221323) 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, 5546675877 + ... + 5546675900.

It is an arithmetic number, because the mean of its divisors is an integer number (25884487482).

Almost surely, 2^133120221324 is an apocalyptic number.

It is an amenable number.

133120221324 is an abundant number, since it is smaller than the sum of its proper divisors (177493628460).

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

133120221324 is a wasteful number, since it uses less digits than its factorization.

133120221324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093351784 (or 11093351782 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 133120221324 its reverse (423122021331), we get a palindrome (556242242655).

The spelling of 133120221324 in words is "one hundred thirty-three billion, one hundred twenty million, two hundred twenty-one thousand, three hundred twenty-four".