33210321213 has 32 divisors (see below), whose sum is σ = 47099473920. Its totient is φ = 20786310720.

The previous prime is 33210321197. The next prime is 33210321223. The reversal of 33210321213 is 31212301233.

It is not a de Polignac number, because 33210321213 - 2⁴ = 33210321197 is a prime.

It is a super-2 number, since 2×33210321213² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33210321213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33210321223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325578 + ... + 415236.

It is an arithmetic number, because the mean of its divisors is an integer number (1471858560).

Almost surely, 2^33210321213 is an apocalyptic number.

It is an amenable number.

33210321213 is a deficient number, since it is larger than the sum of its proper divisors (13889152707).

33210321213 is a wasteful number, since it uses less digits than its factorization.

33210321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89817.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33210321213 its reverse (31212301233), we get a palindrome (64422622446).

The spelling of 33210321213 in words is "thirty-three billion, two hundred ten million, three hundred twenty-one thousand, two hundred thirteen".