32121213133 has 4 divisors (see below), whose sum is σ = 32160918780. Its totient is φ = 32081507488.

The previous prime is 32121213107. The next prime is 32121213139. The reversal of 32121213133 is 33131212123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33131212123 = 2441 ⋅13572803.

It can be written as a sum of positive squares in 2 ways, for example, as 21152211844 + 10969001289 = 145438^2 + 104733^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121213133 - 2⁵ = 32121213101 is a prime.

It is a super-2 number, since 2×32121213133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121213139) 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, 19851610 + ... + 19853227.

It is an arithmetic number, because the mean of its divisors is an integer number (8040229695).

Almost surely, 2^32121213133 is an apocalyptic number.

It is an amenable number.

32121213133 is a deficient number, since it is larger than the sum of its proper divisors (39705647).

32121213133 is an equidigital number, since it uses as much as digits as its factorization.

32121213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39705646.

The product of its digits is 648, while the sum is 22.

Adding to 32121213133 its reverse (33131212123), we get a palindrome (65252425256).

The spelling of 32121213133 in words is "thirty-two billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-three".