12631261420143 has 24 divisors (see below), whose sum is σ = 18355136436000. Its totient is φ = 8370084466944.

The previous prime is 12631261420121. The next prime is 12631261420171. The reversal of 12631261420143 is 34102416213621.

12631261420143 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 1 + 2 + 614 + 20 + 14 + 3 = 666.

It is not a de Polignac number, because 12631261420143 - 2⁹ = 12631261419631 is a prime.

It is a super-2 number, since 2×12631261420143² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12631261420098 and 12631261420107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631261430143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41102763 + ... + 41408931.

It is an arithmetic number, because the mean of its divisors is an integer number (764797351500).

Almost surely, 2^{12631261420143} is an apocalyptic number.

12631261420143 is a deficient number, since it is larger than the sum of its proper divisors (5723875015857).

12631261420143 is a wasteful number, since it uses less digits than its factorization.

12631261420143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333791 (or 333788 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 12631261420143 its reverse (34102416213621), we get a palindrome (46733677633764).

The spelling of 12631261420143 in words is "twelve trillion, six hundred thirty-one billion, two hundred sixty-one million, four hundred twenty thousand, one hundred forty-three".