12140346815 has 4 divisors (see below), whose sum is σ = 14568416184. Its totient is φ = 9712277448.

The previous prime is 12140346811. The next prime is 12140346847. The reversal of 12140346815 is 51864304121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51864304121 = 7 ⋅7409186303.

It is a cyclic number.

It is not a de Polignac number, because 12140346815 - 2² = 12140346811 is a prime.

It is a super-3 number, since 3×12140346815³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140346811) 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, 1214034677 + ... + 1214034686.

It is an arithmetic number, because the mean of its divisors is an integer number (3642104046).

Almost surely, 2^12140346815 is an apocalyptic number.

12140346815 is a deficient number, since it is larger than the sum of its proper divisors (2428069369).

12140346815 is an equidigital number, since it uses as much as digits as its factorization.

12140346815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428069368.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 12140346815 in words is "twelve billion, one hundred forty million, three hundred forty-six thousand, eight hundred fifteen".