12042244203545 has 8 divisors (see below), whose sum is σ = 14451142840200. Its totient is φ = 9633495498880.

The previous prime is 12042244203533. The next prime is 12042244203559. The reversal of 12042244203545 is 54530244224021.

It can be written as a sum of positive squares in 4 ways, for example, as 3013685584009 + 9028558619536 = 1735997^2 + 3004756^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12042244203545 - 2³² = 12037949236249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12042244203499 and 12042244203508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37306220 + ... + 37627629.

It is an arithmetic number, because the mean of its divisors is an integer number (1806392855025).

Almost surely, 2^{12042244203545} is an apocalyptic number.

It is an amenable number.

12042244203545 is a deficient number, since it is larger than the sum of its proper divisors (2408898636655).

12042244203545 is an equidigital number, since it uses as much as digits as its factorization.

12042244203545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74965995.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 12042244203545 its reverse (54530244224021), we get a palindrome (66572488427566).

The spelling of 12042244203545 in words is "twelve trillion, forty-two billion, two hundred forty-four million, two hundred three thousand, five hundred forty-five".