12042443201 has 8 divisors (see below), whose sum is σ = 12636233280. Its totient is φ = 11454503632.

The previous prime is 12042443173. The next prime is 12042443233. The reversal of 12042443201 is 10234424021.

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

It is a cyclic number.

It is not a de Polignac number, because 12042443201 - 2⁶ = 12042443137 is a prime.

It is a super-2 number, since 2×12042443201² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12042443291) 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, 1458410 + ... + 1466643.

It is an arithmetic number, because the mean of its divisors is an integer number (1579529160).

Almost surely, 2^12042443201 is an apocalyptic number.

It is an amenable number.

12042443201 is a deficient number, since it is larger than the sum of its proper divisors (593790079).

12042443201 is a wasteful number, since it uses less digits than its factorization.

12042443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925255.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12042443201 its reverse (10234424021), we get a palindrome (22276867222).

The spelling of 12042443201 in words is "twelve billion, forty-two million, four hundred forty-three thousand, two hundred one".