33433440212 has 12 divisors (see below), whose sum is σ = 61587916320. Its totient is φ = 15836892696.

The previous prime is 33433440211. The next prime is 33433440253. The reversal of 33433440212 is 21204433433.

It is a super-2 number, since 2×33433440212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33433440211) 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, 219956768 + ... + 219956919.

It is an arithmetic number, because the mean of its divisors is an integer number (5132326360).

Almost surely, 2^33433440212 is an apocalyptic number.

It is an amenable number.

33433440212 is a deficient number, since it is larger than the sum of its proper divisors (28154476108).

33433440212 is a wasteful number, since it uses less digits than its factorization.

33433440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439913710 (or 439913708 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 33433440212 its reverse (21204433433), we get a palindrome (54637873645).

The spelling of 33433440212 in words is "thirty-three billion, four hundred thirty-three million, four hundred forty thousand, two hundred twelve".