12351355315321 has 16 divisors (see below), whose sum is σ = 13761196720128. Its totient is φ = 10989356346000.

The previous prime is 12351355315319. The next prime is 12351355315331.

12351355315321 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 12351355315321 - 2¹ = 12351355315319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12351355315301) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25435246 + ... + 25916296.

It is an arithmetic number, because the mean of its divisors is an integer number (860074795008).

Almost surely, 2^{12351355315321} is an apocalyptic number.

12351355315321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12351355315321 is a deficient number, since it is larger than the sum of its proper divisors (1409841404807).

12351355315321 is a wasteful number, since it uses less digits than its factorization.

12351355315321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530772.

The product of its digits is 202500, while the sum is 40.

The spelling of 12351355315321 in words is "twelve trillion, three hundred fifty-one billion, three hundred fifty-five million, three hundred fifteen thousand, three hundred twenty-one".