12355316530143 has 4 divisors (see below), whose sum is σ = 16473755373528. Its totient is φ = 8236877686760.

The previous prime is 12355316530127. The next prime is 12355316530169. The reversal of 12355316530143 is 34103561355321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12355316530143 - 2⁴ = 12355316530127 is a prime.

It is a super-2 number, since 2×12355316530143² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12355316530095 and 12355316530104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355316530643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059219421688 + ... + 2059219421693.

It is an arithmetic number, because the mean of its divisors is an integer number (4118438843382).

Almost surely, 2^{12355316530143} is an apocalyptic number.

12355316530143 is a deficient number, since it is larger than the sum of its proper divisors (4118438843385).

12355316530143 is an equidigital number, since it uses as much as digits as its factorization.

12355316530143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118438843384.

The product of its (nonzero) digits is 486000, while the sum is 42.

Adding to 12355316530143 its reverse (34103561355321), we get a palindrome (46458877885464).

The spelling of 12355316530143 in words is "twelve trillion, three hundred fifty-five billion, three hundred sixteen million, five hundred thirty thousand, one hundred forty-three".