12717126038 has 32 divisors (see below), whose sum is σ = 19721826432. Its totient is φ = 6147835200.

The previous prime is 12717126007. The next prime is 12717126047. The reversal of 12717126038 is 83062171721.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12717125992 and 12717126010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583453 + ... + 1591463.

It is an arithmetic number, because the mean of its divisors is an integer number (616307076).

Almost surely, 2^12717126038 is an apocalyptic number.

12717126038 is a deficient number, since it is larger than the sum of its proper divisors (7004700394).

12717126038 is a wasteful number, since it uses less digits than its factorization.

12717126038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300.

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 12717126038 its reverse (83062171721), we get a palindrome (95779297759).

The spelling of 12717126038 in words is "twelve billion, seven hundred seventeen million, one hundred twenty-six thousand, thirty-eight".