33133112213 has 8 divisors (see below), whose sum is σ = 33207695136. Its totient is φ = 33058573200.

The previous prime is 33133112147. The next prime is 33133112273. The reversal of 33133112213 is 31221133133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33133112213 - 2¹² = 33133108117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133112273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842998 + ... + 1860888.

It is an arithmetic number, because the mean of its divisors is an integer number (4150961892).

Almost surely, 2^33133112213 is an apocalyptic number.

It is an amenable number.

33133112213 is a deficient number, since it is larger than the sum of its proper divisors (74582923).

33133112213 is a wasteful number, since it uses less digits than its factorization.

33133112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21955.

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

Adding to 33133112213 its reverse (31221133133), we get a palindrome (64354245346).

The spelling of 33133112213 in words is "thirty-three billion, one hundred thirty-three million, one hundred twelve thousand, two hundred thirteen".