12417996378 has 32 divisors (see below), whose sum is σ = 25921296000. Its totient is φ = 3958524416.

The previous prime is 12417996287. The next prime is 12417996427. The reversal of 12417996378 is 87369971421.

It is a happy number.

12417996378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12417996378² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1216078 + ... + 1226246.

It is an arithmetic number, because the mean of its divisors is an integer number (810040500).

Almost surely, 2^12417996378 is an apocalyptic number.

12417996378 is an abundant number, since it is smaller than the sum of its proper divisors (13503299622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12417996378 is a wasteful number, since it uses less digits than its factorization.

12417996378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19046.

The product of its digits is 4572288, while the sum is 57.

The spelling of 12417996378 in words is "twelve billion, four hundred seventeen million, nine hundred ninety-six thousand, three hundred seventy-eight".