32121133133 has 4 divisors (see below), whose sum is σ = 32647709148. Its totient is φ = 31594557120.

The previous prime is 32121133117. The next prime is 32121133141. The reversal of 32121133133 is 33133112123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33133112123 = 167 ⋅198401869.

It can be written as a sum of positive squares in 2 ways, for example, as 1172583049 + 30948550084 = 34243^2 + 175922^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121133133 - 2⁴ = 32121133117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32121133099 and 32121133108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121133433) 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, 263287916 + ... + 263288037.

It is an arithmetic number, because the mean of its divisors is an integer number (8161927287).

Almost surely, 2^32121133133 is an apocalyptic number.

It is an amenable number.

32121133133 is a deficient number, since it is larger than the sum of its proper divisors (526576015).

32121133133 is an equidigital number, since it uses as much as digits as its factorization.

32121133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526576014.

The product of its digits is 972, while the sum is 23.

Adding to 32121133133 its reverse (33133112123), we get a palindrome (65254245256).

The spelling of 32121133133 in words is "thirty-two billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty-three".