13312123012 has 12 divisors (see below), whose sum is σ = 23354898700. Its totient is φ = 6639294816.

The previous prime is 13312122979. The next prime is 13312123091. The reversal of 13312123012 is 21032121331.

It can be written as a sum of positive squares in 2 ways, for example, as 10785653316 + 2526469696 = 103854^2 + 50264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4189887 + ... + 4193062.

Almost surely, 2^13312123012 is an apocalyptic number.

It is an amenable number.

13312123012 is a deficient number, since it is larger than the sum of its proper divisors (10042775688).

13312123012 is a wasteful number, since it uses less digits than its factorization.

13312123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383350 (or 8383348 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13312123012 its reverse (21032121331), we get a palindrome (34344244343).

The spelling of 13312123012 in words is "thirteen billion, three hundred twelve million, one hundred twenty-three thousand, twelve".