3122133209 has 12 divisors (see below), whose sum is σ = 3383102700. Its totient is φ = 2879982144.

The previous prime is 3122133199. The next prime is 3122133211. The reversal of 3122133209 is 9023312213.

It can be written as a sum of positive squares in 6 ways, for example, as 1028613184 + 2093520025 = 32072^2 + 45755^2 .

It is not a de Polignac number, because 3122133209 - 2⁴ = 3122133193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122133269) 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, 276527 + ... + 287595.

It is an arithmetic number, because the mean of its divisors is an integer number (281925225).

Almost surely, 2^3122133209 is an apocalyptic number.

It is an amenable number.

3122133209 is a deficient number, since it is larger than the sum of its proper divisors (260969491).

3122133209 is a wasteful number, since it uses less digits than its factorization.

3122133209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12764 (or 12751 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3122133209 is about 55876.0521959095. The cubic root of 3122133209 is about 1461.5616631144.

The spelling of 3122133209 in words is "three billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred nine".