33003212121 has 12 divisors (see below), whose sum is σ = 52005061680. Its totient is φ = 20001946680.

The previous prime is 33003212119. The next prime is 33003212131. The reversal of 33003212121 is 12121230033.

33003212121 is a `hidden beast` number, since 3 + 300 + 321 + 21 + 21 = 666.

It is not a de Polignac number, because 33003212121 - 2¹ = 33003212119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33003212094 and 33003212103.

It is not an unprimeable number, because it can be changed into a prime (33003212101) 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 11 ways as a sum of consecutive naturals, for example, 166682791 + ... + 166682988.

It is an arithmetic number, because the mean of its divisors is an integer number (4333755140).

Almost surely, 2^33003212121 is an apocalyptic number.

It is an amenable number.

33003212121 is a deficient number, since it is larger than the sum of its proper divisors (19001849559).

33003212121 is a wasteful number, since it uses less digits than its factorization.

33003212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333365796 (or 333365793 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 33003212121 its reverse (12121230033), we get a palindrome (45124442154).

The spelling of 33003212121 in words is "thirty-three billion, three million, two hundred twelve thousand, one hundred twenty-one".