32021201213 has 4 divisors (see below), whose sum is σ = 32054802588. Its totient is φ = 31987599840.

The previous prime is 32021201203. The next prime is 32021201221. The reversal of 32021201213 is 31210212023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21702298489 + 10318902724 = 147317^2 + 101582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32021201213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32021201191 and 32021201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32021201203) 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, 16799258 + ... + 16801163.

It is an arithmetic number, because the mean of its divisors is an integer number (8013700647).

Almost surely, 2^32021201213 is an apocalyptic number.

It is an amenable number.

32021201213 is a deficient number, since it is larger than the sum of its proper divisors (33601375).

32021201213 is an equidigital number, since it uses as much as digits as its factorization.

32021201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33601374.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32021201213 its reverse (31210212023), we get a palindrome (63231413236).

The spelling of 32021201213 in words is "thirty-two billion, twenty-one million, two hundred one thousand, two hundred thirteen".