33212932217 has 2 divisors, whose sum is σ = 33212932218. Its totient is φ = 33212932216.

The previous prime is 33212932199. The next prime is 33212932261. The reversal of 33212932217 is 71223921233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28445858281 + 4767073936 = 168659^2 + 69044^2 .

It is an emirp because it is prime and its reverse (71223921233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33212932217 - 2³⁰ = 32139190393 is a prime.

It is a super-2 number, since 2×33212932217² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33212932297) 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 as a sum of consecutive naturals, namely, 16606466108 + 16606466109.

It is an arithmetic number, because the mean of its divisors is an integer number (16606466109).

Almost surely, 2^33212932217 is an apocalyptic number.

It is an amenable number.

33212932217 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212932217 is an equidigital number, since it uses as much as digits as its factorization.

33212932217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The spelling of 33212932217 in words is "thirty-three billion, two hundred twelve million, nine hundred thirty-two thousand, two hundred seventeen".