33032212985 has 4 divisors (see below), whose sum is σ = 39638655588. Its totient is φ = 26425770384.

The previous prime is 33032212973. The next prime is 33032212987. The reversal of 33032212985 is 58921223033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58921223033 = 97 ⋅607435289.

It can be written as a sum of positive squares in 2 ways, for example, as 13129493056 + 19902719929 = 114584^2 + 141077^2 .

It is a cyclic number.

It is not a de Polignac number, because 33032212985 - 2⁶ = 33032212921 is a prime.

It is a super-2 number, since 2×33032212985² (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 (33032212987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3303221294 + ... + 3303221303.

It is an arithmetic number, because the mean of its divisors is an integer number (9909663897).

Almost surely, 2^33032212985 is an apocalyptic number.

It is an amenable number.

33032212985 is a deficient number, since it is larger than the sum of its proper divisors (6606442603).

33032212985 is an equidigital number, since it uses as much as digits as its factorization.

33032212985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606442602.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 33032212985 in words is "thirty-three billion, thirty-two million, two hundred twelve thousand, nine hundred eighty-five".