3123431330212 has 12 divisors (see below), whose sum is σ = 5654487753180. Its totient is φ = 1507863400736.

The previous prime is 3123431330197. The next prime is 3123431330213. The reversal of 3123431330212 is 2120331343213.

3123431330212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1223709413796 + 1899721916416 = 1106214^2 + 1378304^2 .

It is not an unprimeable number, because it can be changed into a prime (3123431330213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13463065963 + ... + 13463066194.

It is an arithmetic number, because the mean of its divisors is an integer number (471207312765).

Almost surely, 2^{3123431330212} is an apocalyptic number.

It is an amenable number.

3123431330212 is a deficient number, since it is larger than the sum of its proper divisors (2531056422968).

3123431330212 is a wasteful number, since it uses less digits than its factorization.

3123431330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26926132190 (or 26926132188 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 3123431330212 its reverse (2120331343213), we get a palindrome (5243762673425).

The spelling of 3123431330212 in words is "three trillion, one hundred twenty-three billion, four hundred thirty-one million, three hundred thirty thousand, two hundred twelve".