13123011303012 has 24 divisors (see below), whose sum is σ = 32975771992576. Its totient is φ = 4037849631648.

The previous prime is 13123011303011. The next prime is 13123011303019. The reversal of 13123011303012 is 21030311032131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13123011303012.

It is not an unprimeable number, because it can be changed into a prime (13123011303011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42060933508 + ... + 42060933819.

Almost surely, 2^{13123011303012} is an apocalyptic number.

13123011303012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123011303012 is an abundant number, since it is smaller than the sum of its proper divisors (19852760689564).

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

13123011303012 is a wasteful number, since it uses less digits than its factorization.

13123011303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84121867347 (or 84121867345 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13123011303012 its reverse (21030311032131), we get a palindrome (34153322335143).

The spelling of 13123011303012 in words is "thirteen trillion, one hundred twenty-three billion, eleven million, three hundred three thousand, twelve".