12003220042 has 16 divisors (see below), whose sum is σ = 19723824000. Its totient is φ = 5433178240.

The previous prime is 12003220007. The next prime is 12003220043. The reversal of 12003220042 is 24002230021.

12003220042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12003219998 and 12003220025.

It is not an unprimeable number, because it can be changed into a prime (12003220043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136167 + ... + 1146682.

It is an arithmetic number, because the mean of its divisors is an integer number (1232739000).

Almost surely, 2^12003220042 is an apocalyptic number.

12003220042 is a deficient number, since it is larger than the sum of its proper divisors (7720603958).

12003220042 is a wasteful number, since it uses less digits than its factorization.

12003220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283101.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12003220042 its reverse (24002230021), we get a palindrome (36005450063).

The spelling of 12003220042 in words is "twelve billion, three million, two hundred twenty thousand, forty-two".