12408446292378 has 32 divisors (see below), whose sum is σ = 27419175444096. Its totient is φ = 3723591725568.

The previous prime is 12408446292323. The next prime is 12408446292421. The reversal of 12408446292378 is 87329264480421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644594051 + ... + 2644598742.

It is an arithmetic number, because the mean of its divisors is an integer number (856849232628).

Almost surely, 2^{12408446292378} is an apocalyptic number.

12408446292378 is an abundant number, since it is smaller than the sum of its proper divisors (15010729151718).

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

12408446292378 is a wasteful number, since it uses less digits than its factorization.

12408446292378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289192838.

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 12408446292378 in words is "twelve trillion, four hundred eight billion, four hundred forty-six million, two hundred ninety-two thousand, three hundred seventy-eight".