12386005881 has 4 divisors (see below), whose sum is σ = 16514674512. Its totient is φ = 8257337252.

The previous prime is 12386005873. The next prime is 12386005883. The reversal of 12386005881 is 18850068321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12386005881 - 2³ = 12386005873 is a prime.

It is a super-2 number, since 2×12386005881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12386005883) 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, 2064334311 + ... + 2064334316.

It is an arithmetic number, because the mean of its divisors is an integer number (4128668628).

Almost surely, 2^12386005881 is an apocalyptic number.

It is an amenable number.

12386005881 is a deficient number, since it is larger than the sum of its proper divisors (4128668631).

12386005881 is an equidigital number, since it uses as much as digits as its factorization.

12386005881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128668630.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 12386005881 in words is "twelve billion, three hundred eighty-six million, five thousand, eight hundred eighty-one".