12140347815 has 12 divisors (see below), whose sum is σ = 21043269624. Its totient is φ = 6474852144.

The previous prime is 12140347799. The next prime is 12140347823. The reversal of 12140347815 is 51874304121.

It is not a de Polignac number, because 12140347815 - 2⁴ = 12140347799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12140347815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134892709 + ... + 134892798.

It is an arithmetic number, because the mean of its divisors is an integer number (1753605802).

Almost surely, 2^12140347815 is an apocalyptic number.

12140347815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12140347815 is a deficient number, since it is larger than the sum of its proper divisors (8902921809).

12140347815 is a wasteful number, since it uses less digits than its factorization.

12140347815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269785518 (or 269785515 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 12140347815 in words is "twelve billion, one hundred forty million, three hundred forty-seven thousand, eight hundred fifteen".