12124144042 has 4 divisors (see below), whose sum is σ = 18186216066. Its totient is φ = 6062072020.

The previous prime is 12124144037. The next prime is 12124144061. The reversal of 12124144042 is 24044142121.

It is a happy number.

12124144042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24044142121 = 29 ⋅829108349.

It can be written as a sum of positive squares in only one way, i.e., 12047038081 + 77105961 = 109759^2 + 8781^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12124143998 and 12124144016.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3031036009 + ... + 3031036012.

Almost surely, 2^12124144042 is an apocalyptic number.

12124144042 is a deficient number, since it is larger than the sum of its proper divisors (6062072024).

12124144042 is an equidigital number, since it uses as much as digits as its factorization.

12124144042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062072023.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12124144042 its reverse (24044142121), we get a palindrome (36168286163).

The spelling of 12124144042 in words is "twelve billion, one hundred twenty-four million, one hundred forty-four thousand, forty-two".