12180838715 has 4 divisors (see below), whose sum is σ = 14617006464. Its totient is φ = 9744670968.

The previous prime is 12180838699. The next prime is 12180838723. The reversal of 12180838715 is 51783808121.

12180838715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12180838715 - 2⁴ = 12180838699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218083867 + ... + 1218083876.

It is an arithmetic number, because the mean of its divisors is an integer number (3654251616).

Almost surely, 2^12180838715 is an apocalyptic number.

12180838715 is a deficient number, since it is larger than the sum of its proper divisors (2436167749).

12180838715 is an equidigital number, since it uses as much as digits as its factorization.

12180838715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436167748.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 12180838715 in words is "twelve billion, one hundred eighty million, eight hundred thirty-eight thousand, seven hundred fifteen".