12468405815 has 8 divisors (see below), whose sum is σ = 15749565360. Its totient is φ = 9449739072.

The previous prime is 12468405787. The next prime is 12468405847. The reversal of 12468405815 is 51850486421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12468405815 - 2⁶ = 12468405751 is a prime.

It is a super-2 number, since 2×12468405815² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65623094 + ... + 65623283.

It is an arithmetic number, because the mean of its divisors is an integer number (1968695670).

Almost surely, 2^12468405815 is an apocalyptic number.

12468405815 is a deficient number, since it is larger than the sum of its proper divisors (3281159545).

12468405815 is a wasteful number, since it uses less digits than its factorization.

12468405815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131246401.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 12468405815 in words is "twelve billion, four hundred sixty-eight million, four hundred five thousand, eight hundred fifteen".