33021023212 has 12 divisors (see below), whose sum is σ = 57791177136. Its totient is φ = 16509258320.

The previous prime is 33021023209. The next prime is 33021023213. The reversal of 33021023212 is 21232012033.

It is a self number, because there is not a number n which added to its sum of digits gives 33021023212.

It is not an unprimeable number, because it can be changed into a prime (33021023213) by changing a digit.

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, 252739 + ... + 360442.

It is an arithmetic number, because the mean of its divisors is an integer number (4815931428).

Almost surely, 2^33021023212 is an apocalyptic number.

It is an amenable number.

33021023212 is a deficient number, since it is larger than the sum of its proper divisors (24770153924).

33021023212 is a wasteful number, since it uses less digits than its factorization.

33021023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626648 (or 626646 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33021023212 its reverse (21232012033), we get a palindrome (54253035245).

The spelling of 33021023212 in words is "thirty-three billion, twenty-one million, twenty-three thousand, two hundred twelve".