13021303111312 has 20 divisors (see below), whose sum is σ = 25288700622076. Its totient is φ = 6495186821760.

The previous prime is 13021303111303. The next prime is 13021303111339. The reversal of 13021303111312 is 21311130312031.

It can be written as a sum of positive squares in 2 ways, for example, as 6418541178256 + 6602761933056 = 2533484^2 + 2569584^2 .

It is a super-2 number, since 2×13021303111312² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 966538923 + ... + 966552394.

Almost surely, 2^{13021303111312} is an apocalyptic number.

It is an amenable number.

13021303111312 is a deficient number, since it is larger than the sum of its proper divisors (12267397510764).

13021303111312 is a wasteful number, since it uses less digits than its factorization.

13021303111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933091746 (or 1933091740 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13021303111312 its reverse (21311130312031), we get a palindrome (34332433423343).

The spelling of 13021303111312 in words is "thirteen trillion, twenty-one billion, three hundred three million, one hundred eleven thousand, three hundred twelve".