33003113212 has 12 divisors (see below), whose sum is σ = 57903922440. Its totient is φ = 16459135376.

The previous prime is 33003113189. The next prime is 33003113317. The reversal of 33003113212 is 21231130033.

It is a self number, because there is not a number n which added to its sum of digits gives 33003113212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10603558 + ... + 10606669.

It is an arithmetic number, because the mean of its divisors is an integer number (4825326870).

Almost surely, 2^33003113212 is an apocalyptic number.

It is an amenable number.

33003113212 is a deficient number, since it is larger than the sum of its proper divisors (24900809228).

33003113212 is a wasteful number, since it uses less digits than its factorization.

33003113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21210620 (or 21210618 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33003113212 its reverse (21231130033), we get a palindrome (54234243245).

The spelling of 33003113212 in words is "thirty-three billion, three million, one hundred thirteen thousand, two hundred twelve".