12346789024578 has 16 divisors (see below), whose sum is σ = 24710882605920. Its totient is φ = 4112712248736.

The previous prime is 12346789024541. The next prime is 12346789024589. The reversal of 12346789024578 is 87542098764321.

It is a super-4 number, since 4×12346789024578⁴ (a number of 53 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721013923 + ... + 721031046.

It is an arithmetic number, because the mean of its divisors is an integer number (1544430162870).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12346789024578 = 24693578049156, but 3⋅12346789024578 = 37040367073734 is not.

Almost surely, 2^{12346789024578} is an apocalyptic number.

12346789024578 is an abundant number, since it is smaller than the sum of its proper divisors (12364093581342).

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

12346789024578 is a wasteful number, since it uses less digits than its factorization.

12346789024578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442046401.

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 12346789024578 in words is "twelve trillion, three hundred forty-six billion, seven hundred eighty-nine million, twenty-four thousand, five hundred seventy-eight".