33212240443 has 8 divisors (see below), whose sum is σ = 33476596560. Its totient is φ = 32948048640.

The previous prime is 33212240431. The next prime is 33212240489. The reversal of 33212240443 is 34404221233.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33212240443 is a prime.

It is a super-2 number, since 2×33212240443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33212240423) 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, 382023 + ... + 460831.

It is an arithmetic number, because the mean of its divisors is an integer number (4184574570).

Almost surely, 2^33212240443 is an apocalyptic number.

33212240443 is a deficient number, since it is larger than the sum of its proper divisors (264356117).

33212240443 is a wasteful number, since it uses less digits than its factorization.

33212240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82157.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 33212240443 its reverse (34404221233), we get a palindrome (67616461676).

The spelling of 33212240443 in words is "thirty-three billion, two hundred twelve million, two hundred forty thousand, four hundred forty-three".