12381740871 has 8 divisors (see below), whose sum is σ = 16537601904. Its totient is φ = 8240186880.

The previous prime is 12381740869. The next prime is 12381740893. The reversal of 12381740871 is 17804718321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12381740871 - 2¹ = 12381740869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12381740821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3574740 + ... + 3578201.

It is an arithmetic number, because the mean of its divisors is an integer number (2067200238).

Almost surely, 2^12381740871 is an apocalyptic number.

12381740871 is a deficient number, since it is larger than the sum of its proper divisors (4155861033).

12381740871 is an equidigital number, since it uses as much as digits as its factorization.

12381740871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153521.

The product of its (nonzero) digits is 75264, while the sum is 42.

The spelling of 12381740871 in words is "twelve billion, three hundred eighty-one million, seven hundred forty thousand, eight hundred seventy-one".