12042244203551 has 16 divisors (see below), whose sum is σ = 12602353325760. Its totient is φ = 11485226903040.

The previous prime is 12042244203533. The next prime is 12042244203559. The reversal of 12042244203551 is 15530244224021.

It is a cyclic number.

It is not a de Polignac number, because 12042244203551 - 2⁶ = 12042244203487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042244203559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10659905 + ... + 11735333.

It is an arithmetic number, because the mean of its divisors is an integer number (787647082860).

Almost surely, 2^{12042244203551} is an apocalyptic number.

12042244203551 is a deficient number, since it is larger than the sum of its proper divisors (560109122209).

12042244203551 is a wasteful number, since it uses less digits than its factorization.

12042244203551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076866.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 12042244203551 its reverse (15530244224021), we get a palindrome (27572488427572).

The spelling of 12042244203551 in words is "twelve trillion, forty-two billion, two hundred forty-four million, two hundred three thousand, five hundred fifty-one".