12405603620042 has 32 divisors (see below), whose sum is σ = 19640595916800. Its totient is φ = 5860500942528.

The previous prime is 12405603619999. The next prime is 12405603620093. The reversal of 12405603620042 is 24002630650421.

It is a junction number, because it is equal to n+sod(n) for n = 12405603619984 and 12405603620011.

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, 217655684 + ... + 217712672.

It is an arithmetic number, because the mean of its divisors is an integer number (613768622400).

Almost surely, 2^{12405603620042} is an apocalyptic number.

12405603620042 is a deficient number, since it is larger than the sum of its proper divisors (7234992296758).

12405603620042 is a wasteful number, since it uses less digits than its factorization.

12405603620042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72350.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 12405603620042 in words is "twelve trillion, four hundred five billion, six hundred three million, six hundred twenty thousand, forty-two".