12344669124578 has 16 divisors (see below), whose sum is σ = 21371817553344. Its totient is φ = 5238190575600.

The previous prime is 12344669124577. The next prime is 12344669124607. The reversal of 12344669124578 is 87542196644321.

It is a self number, because there is not a number n which added to its sum of digits gives 12344669124578.

It is not an unprimeable number, because it can be changed into a prime (12344669124577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365157400 + ... + 4365160227.

It is an arithmetic number, because the mean of its divisors is an integer number (1335738597084).

Almost surely, 2^{12344669124578} is an apocalyptic number.

12344669124578 is a deficient number, since it is larger than the sum of its proper divisors (9027148428766).

12344669124578 is a wasteful number, since it uses less digits than its factorization.

12344669124578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730317737.

The product of its digits is 69672960, while the sum is 62.

The spelling of 12344669124578 in words is "twelve trillion, three hundred forty-four billion, six hundred sixty-nine million, one hundred twenty-four thousand, five hundred seventy-eight".