33455211012 has 36 divisors (see below), whose sum is σ = 85105998796. Its totient is φ = 11080704960.

The previous prime is 33455211011. The next prime is 33455211017. The reversal of 33455211012 is 21011255433.

33455211012 is a `hidden beast` number, since 3 + 3 + 4 + 552 + 1 + 101 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7345175616 + 26110035396 = 85704^2 + 161586^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33455211012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33455211011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2953939 + ... + 2965242.

Almost surely, 2^33455211012 is an apocalyptic number.

It is an amenable number.

33455211012 is an abundant number, since it is smaller than the sum of its proper divisors (51650787784).

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

33455211012 is a wasteful number, since it uses less digits than its factorization.

33455211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919348 (or 5919343 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 33455211012 its reverse (21011255433), we get a palindrome (54466466445).

The spelling of 33455211012 in words is "thirty-three billion, four hundred fifty-five million, two hundred eleven thousand, twelve".