33256042212 has 24 divisors (see below), whose sum is σ = 78397408096. Its totient is φ = 10971065088.

The previous prime is 33256042201. The next prime is 33256042219. The reversal of 33256042212 is 21224065233.

It is a super-2 number, since 2×33256042212² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33256042212.

It is not an unprimeable number, because it can be changed into a prime (33256042219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14284078 + ... + 14286405.

Almost surely, 2^33256042212 is an apocalyptic number.

It is an amenable number.

33256042212 is an abundant number, since it is smaller than the sum of its proper divisors (45141365884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33256042212 is a wasteful number, since it uses less digits than its factorization.

33256042212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28570587 (or 28570585 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 33256042212 in words is "thirty-three billion, two hundred fifty-six million, forty-two thousand, two hundred twelve".