12508363471 has 4 divisors (see below), whose sum is σ = 12774498912. Its totient is φ = 12242228032.

The previous prime is 12508363463. The next prime is 12508363487. The reversal of 12508363471 is 17436380521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17436380521 = 7 ⋅2490911503.

It is a cyclic number.

It is not a de Polignac number, because 12508363471 - 2³ = 12508363463 is a prime.

It is a super-3 number, since 3×12508363471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508363771) 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, 133067650 + ... + 133067743.

It is an arithmetic number, because the mean of its divisors is an integer number (3193624728).

Almost surely, 2^12508363471 is an apocalyptic number.

12508363471 is a deficient number, since it is larger than the sum of its proper divisors (266135441).

12508363471 is an equidigital number, since it uses as much as digits as its factorization.

12508363471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266135440.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12508363471 in words is "twelve billion, five hundred eight million, three hundred sixty-three thousand, four hundred seventy-one".