3121333323012 has 18 divisors (see below), whose sum is σ = 7890037011038. Its totient is φ = 1040444440992.

The previous prime is 3121333322953. The next prime is 3121333323023. The reversal of 3121333323012 is 2103233331213.

3121333323012 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 333 + 323 + 0 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2110813802496 + 1010519520516 = 1452864^2 + 1005246^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 43351851673 + ... + 43351851744.

Almost surely, 2^{3121333323012} is an apocalyptic number.

It is an amenable number.

3121333323012 is an abundant number, since it is smaller than the sum of its proper divisors (4768703688026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121333323012 is a wasteful number, since it uses less digits than its factorization.

3121333323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86703703427 (or 86703703422 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 3121333323012 its reverse (2103233331213), we get a palindrome (5224566654225).

The spelling of 3121333323012 in words is "three trillion, one hundred twenty-one billion, three hundred thirty-three million, three hundred twenty-three thousand, twelve".