12138139883 has 2 divisors, whose sum is σ = 12138139884. Its totient is φ = 12138139882.

The previous prime is 12138139879. The next prime is 12138139919. The reversal of 12138139883 is 38893183121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12138139883 - 2² = 12138139879 is a prime.

It is not a weakly prime, because it can be changed into another prime (12138139843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6069069941 + 6069069942.

It is an arithmetic number, because the mean of its divisors is an integer number (6069069942).

Almost surely, 2^12138139883 is an apocalyptic number.

12138139883 is a deficient number, since it is larger than the sum of its proper divisors (1).

12138139883 is an equidigital number, since it uses as much as digits as its factorization.

12138139883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The spelling of 12138139883 in words is "twelve billion, one hundred thirty-eight million, one hundred thirty-nine thousand, eight hundred eighty-three".