12287375071 has 4 divisors (see below), whose sum is σ = 12287647944. Its totient is φ = 12287102200.

The previous prime is 12287375063. The next prime is 12287375117. The reversal of 12287375071 is 17057378221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17057378221 = 13 ⋅1312106017.

It is a cyclic number.

It is not a de Polignac number, because 12287375071 - 2³ = 12287375063 is a prime.

It is a super-2 number, since 2×12287375071² (a number of 21 digits) contains 22 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 (12287375011) 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, 51100 + ... + 164881.

It is an arithmetic number, because the mean of its divisors is an integer number (3071911986).

Almost surely, 2^12287375071 is an apocalyptic number.

12287375071 is a deficient number, since it is larger than the sum of its proper divisors (272873).

12287375071 is an equidigital number, since it uses as much as digits as its factorization.

12287375071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272872.

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 12287375071 in words is "twelve billion, two hundred eighty-seven million, three hundred seventy-five thousand, seventy-one".