12013111220042 has 32 divisors (see below), whose sum is σ = 18147484975104. Its totient is φ = 5964071614000.

The previous prime is 12013111219943. The next prime is 12013111220129. The reversal of 12013111220042 is 24002211131021.

It is a junction number, because it is equal to n+sod(n) for n = 12013111219996 and 12013111220023.

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, 1248370043 + ... + 1248379665.

It is an arithmetic number, because the mean of its divisors is an integer number (567108905472).

Almost surely, 2^{12013111220042} is an apocalyptic number.

12013111220042 is a deficient number, since it is larger than the sum of its proper divisors (6134373755062).

12013111220042 is a wasteful number, since it uses less digits than its factorization.

12013111220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15514.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12013111220042 its reverse (24002211131021), we get a palindrome (36015322351063).

The spelling of 12013111220042 in words is "twelve trillion, thirteen billion, one hundred eleven million, two hundred twenty thousand, forty-two".