13321112302312 has 8 divisors (see below), whose sum is σ = 24977085566850. Its totient is φ = 6660556151152.

The previous prime is 13321112302249. The next prime is 13321112302331. The reversal of 13321112302312 is 21320321112331.

It can be written as a sum of positive squares in only one way, i.e., 7899730937316 + 5421381364996 = 2810646^2 + 2328386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13321112302312² (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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832569518887 + ... + 832569518902.

Almost surely, 2^{13321112302312} is an apocalyptic number.

It is an amenable number.

13321112302312 is a deficient number, since it is larger than the sum of its proper divisors (11655973264538).

13321112302312 is a wasteful number, since it uses less digits than its factorization.

13321112302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665139037795 (or 1665139037791 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13321112302312 its reverse (21320321112331), we get a palindrome (34641433414643).

The spelling of 13321112302312 in words is "thirteen trillion, three hundred twenty-one billion, one hundred twelve million, three hundred two thousand, three hundred twelve".