12023799406478 has 32 divisors (see below), whose sum is σ = 18754197719040. Its totient is φ = 5776849045440.

The previous prime is 12023799406477. The next prime is 12023799406523. The reversal of 12023799406478 is 87460499732021.

It is a self number, because there is not a number n which added to its sum of digits gives 12023799406478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023799406477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36751325 + ... + 37077047.

It is an arithmetic number, because the mean of its divisors is an integer number (586068678720).

Almost surely, 2^{12023799406478} is an apocalyptic number.

12023799406478 is a deficient number, since it is larger than the sum of its proper divisors (6730398312562).

12023799406478 is a wasteful number, since it uses less digits than its factorization.

12023799406478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332552.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 12023799406478 in words is "twelve trillion, twenty-three billion, seven hundred ninety-nine million, four hundred six thousand, four hundred seventy-eight".