33012203121 has 48 divisors (see below), whose sum is σ = 49473680256. Its totient is φ = 21200744448.

The previous prime is 33012203113. The next prime is 33012203179. The reversal of 33012203121 is 12130221033.

33012203121 is a `hidden beast` number, since 330 + 1 + 2 + 20 + 312 + 1 = 666.

It is not a de Polignac number, because 33012203121 - 2³ = 33012203113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33012203094 and 33012203103.

It is not an unprimeable number, because it can be changed into a prime (33012203111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6609201 + ... + 6614193.

It is an arithmetic number, because the mean of its divisors is an integer number (1030701672).

Almost surely, 2^33012203121 is an apocalyptic number.

It is an amenable number.

33012203121 is a deficient number, since it is larger than the sum of its proper divisors (16461477135).

33012203121 is a wasteful number, since it uses less digits than its factorization.

33012203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302 (or 5299 counting only the distinct ones).

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

Adding to 33012203121 its reverse (12130221033), we get a palindrome (45142424154).

The spelling of 33012203121 in words is "thirty-three billion, twelve million, two hundred three thousand, one hundred twenty-one".