33530004212 has 12 divisors (see below), whose sum is σ = 58679248740. Its totient is φ = 16764504576.

The previous prime is 33530004203. The next prime is 33530004229. The reversal of 33530004212 is 21240003533.

It can be written as a sum of positive squares in 2 ways, for example, as 2972866576 + 30557137636 = 54524^2 + 174806^2 .

It is a super-2 number, since 2×33530004212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 56468 + ... + 265044.

It is an arithmetic number, because the mean of its divisors is an integer number (4889937395).

Almost surely, 2^33530004212 is an apocalyptic number.

It is an amenable number.

33530004212 is a deficient number, since it is larger than the sum of its proper divisors (25149244528).

33530004212 is a wasteful number, since it uses less digits than its factorization.

33530004212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248770 (or 248768 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 33530004212 its reverse (21240003533), we get a palindrome (54770007745).

The spelling of 33530004212 in words is "thirty-three billion, five hundred thirty million, four thousand, two hundred twelve".