12140735867 has 4 divisors (see below), whose sum is σ = 13074638640. Its totient is φ = 11206833096.

The previous prime is 12140735857. The next prime is 12140735899. The reversal of 12140735867 is 76853704121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12140735867 - 2²² = 12136541563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12140735837) 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, 466951367 + ... + 466951392.

It is an arithmetic number, because the mean of its divisors is an integer number (3268659660).

Almost surely, 2^12140735867 is an apocalyptic number.

12140735867 is a deficient number, since it is larger than the sum of its proper divisors (933902773).

12140735867 is an equidigital number, since it uses as much as digits as its factorization.

12140735867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933902772.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 12140735867 in words is "twelve billion, one hundred forty million, seven hundred thirty-five thousand, eight hundred sixty-seven".