12138611232859 has 8 divisors (see below), whose sum is σ = 12175759751792. Its totient is φ = 12101465581920.

The previous prime is 12138611232833. The next prime is 12138611232911. The reversal of 12138611232859 is 95823211683121.

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

It is a cyclic number.

It is not a de Polignac number, because 12138611232859 - 2²⁷ = 12138477015131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12138611202859) 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, 7919737 + ... + 9327349.

It is an arithmetic number, because the mean of its divisors is an integer number (1521969968974).

Almost surely, 2^{12138611232859} is an apocalyptic number.

12138611232859 is a deficient number, since it is larger than the sum of its proper divisors (37148518933).

12138611232859 is a wasteful number, since it uses less digits than its factorization.

12138611232859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433997.

The product of its digits is 1244160, while the sum is 52.

The spelling of 12138611232859 in words is "twelve trillion, one hundred thirty-eight billion, six hundred eleven million, two hundred thirty-two thousand, eight hundred fifty-nine".