33121013204 has 12 divisors (see below), whose sum is σ = 58136886528. Its totient is φ = 16510474200.

The previous prime is 33121013183. The next prime is 33121013323. The reversal of 33121013204 is 40231012133.

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, 12506612 + ... + 12509259.

It is an arithmetic number, because the mean of its divisors is an integer number (4844740544).

Almost surely, 2^33121013204 is an apocalyptic number.

It is an amenable number.

33121013204 is a deficient number, since it is larger than the sum of its proper divisors (25015873324).

33121013204 is a wasteful number, since it uses less digits than its factorization.

33121013204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25016206 (or 25016204 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33121013204 its reverse (40231012133), we get a palindrome (73352025337).

The spelling of 33121013204 in words is "thirty-three billion, one hundred twenty-one million, thirteen thousand, two hundred four".