12040010003242 has 16 divisors (see below), whose sum is σ = 19449320554440. Its totient is φ = 5556906657792.

The previous prime is 12040010003201. The next prime is 12040010003243. The reversal of 12040010003242 is 24230001004021.

It can be written as a sum of positive squares in 4 ways, for example, as 2713271134401 + 9326738868841 = 1647201^2 + 3053971^2 .

It is not an unprimeable number, because it can be changed into a prime (12040010003243) 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, 7711434 + ... + 9140362.

Almost surely, 2^{12040010003242} is an apocalyptic number.

12040010003242 is a deficient number, since it is larger than the sum of its proper divisors (7409310551198).

12040010003242 is a wasteful number, since it uses less digits than its factorization.

12040010003242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753017.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12040010003242 its reverse (24230001004021), we get a palindrome (36270011007263).

The spelling of 12040010003242 in words is "twelve trillion, forty billion, ten million, three thousand, two hundred forty-two".