12140423105 has 8 divisors (see below), whose sum is σ = 14588119872. Its totient is φ = 9699263728.

The previous prime is 12140423089. The next prime is 12140423123. The reversal of 12140423105 is 50132404121.

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 12140423105 - 2⁴ = 12140423089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630259 + ... + 1637688.

It is an arithmetic number, because the mean of its divisors is an integer number (1823514984).

Almost surely, 2^12140423105 is an apocalyptic number.

It is an amenable number.

12140423105 is a deficient number, since it is larger than the sum of its proper divisors (2447696767).

12140423105 is an equidigital number, since it uses as much as digits as its factorization.

12140423105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268695.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12140423105 its reverse (50132404121), we get a palindrome (62272827226).

The spelling of 12140423105 in words is "twelve billion, one hundred forty million, four hundred twenty-three thousand, one hundred five".