12042002321243 has 8 divisors (see below), whose sum is σ = 12223847482368. Its totient is φ = 11860219330344.

The previous prime is 12042002321231. The next prime is 12042002321267. The reversal of 12042002321243 is 34212320024021.

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 12042002321243 - 2⁴ = 12042002321227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042002321143) 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, 15152171 + ... + 15927092.

It is an arithmetic number, because the mean of its divisors is an integer number (1527980935296).

Almost surely, 2^{12042002321243} is an apocalyptic number.

12042002321243 is a deficient number, since it is larger than the sum of its proper divisors (181845161125).

12042002321243 is an equidigital number, since it uses as much as digits as its factorization.

12042002321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31085113.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12042002321243 its reverse (34212320024021), we get a palindrome (46254322345264).

The spelling of 12042002321243 in words is "twelve trillion, forty-two billion, two million, three hundred twenty-one thousand, two hundred forty-three".