13123255321412 has 12 divisors (see below), whose sum is σ = 22965731962236. Its totient is φ = 6561617617920.

The previous prime is 13123255321343. The next prime is 13123255321427. The reversal of 13123255321412 is 21412355232131.

It can be written as a sum of positive squares in 2 ways, for example, as 3503245916416 + 9620009404996 = 1871696^2 + 3101614^2 .

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, 963668 + ... + 5212980.

It is an arithmetic number, because the mean of its divisors is an integer number (1913810996853).

Almost surely, 2^{13123255321412} is an apocalyptic number.

It is an amenable number.

13123255321412 is a deficient number, since it is larger than the sum of its proper divisors (9842476640824).

13123255321412 is a wasteful number, since it uses less digits than its factorization.

13123255321412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021398 (or 5021396 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The spelling of 13123255321412 in words is "thirteen trillion, one hundred twenty-three billion, two hundred fifty-five million, three hundred twenty-one thousand, four hundred twelve".