12127561339 has 8 divisors (see below), whose sum is σ = 12452882400. Its totient is φ = 11803646400.

The previous prime is 12127561297. The next prime is 12127561399. The reversal of 12127561339 is 93316572121.

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 12127561339 - 2⁷ = 12127561211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12127561399) 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, 334039 + ... + 368560.

It is an arithmetic number, because the mean of its divisors is an integer number (1556610300).

Almost surely, 2^12127561339 is an apocalyptic number.

12127561339 is a deficient number, since it is larger than the sum of its proper divisors (325321061).

12127561339 is an equidigital number, since it uses as much as digits as its factorization.

12127561339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703061.

The product of its digits is 68040, while the sum is 40.

The spelling of 12127561339 in words is "twelve billion, one hundred twenty-seven million, five hundred sixty-one thousand, three hundred thirty-nine".